Cast member Christopher Plummer arrives for the special presentation of "Knives Out" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 7, 2019. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer arrives for the special presentation of "Knives Out" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 7, 2019. REUTERS/Mario Anzuoni 

Christopher Plummer arrives for the special presentation of "Knives Out" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 7, 2019. REUTERS/Mario Anzuoni 

Christopher Plummer arrives for the special presentation of "Knives Out" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 7, 2019. REUTERS/Mario Anzuoni 

90th Academy Awards - Oscars Arrivals – Hollywood, California, U.S., 04/03/2018 – Actor Christopher Plummer. REUTERS/Mario Anzuoni 

90th Academy Awards - Oscars Arrivals – Hollywood, California, U.S., 04/03/2018 – Actor Christopher Plummer. REUTERS/Mario Anzuoni 

90th Academy Awards - Oscars Arrivals – Hollywood, California, U.S., 04/03/2018 – Actor Christopher Plummer. REUTERS/Mario Anzuoni 

Director Ridley Scott (R) and cast member Christopher Plummer pose at the premiere for "All the Money in the World" in Beverly Hills, California, U.S., December 18, 2017. REUTERS/Mario Anzuoni 

Director Ridley Scott (R) and cast member Christopher Plummer pose at the premiere for "All the Money in the World" in Beverly Hills, California, U.S., December 18, 2017. REUTERS/Mario Anzuoni 

Director Ridley Scott (R) and cast member Christopher Plummer attend the premiere for "All the Money in the World" in Beverly Hills, California, U.S., December 18, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer is interviewed at the premiere for "All the Money in the World" in Beverly Hills, California, U.S., December 18, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer is interviewed at the premiere for "All the Money in the World" in Beverly Hills, California, U.S., December 18, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses at the premiere for "All the Money in the World" in Beverly Hills, California, U.S., December 18, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses at the premiere for "All the Money in the World" in Beverly Hills, California, U.S., December 18, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses at the premiere for "All the Money in the World" in Beverly Hills, California, U.S., December 18, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses at the premiere for "All the Money in the World" in Beverly Hills, California, U.S., December 18, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses for a portrait while promoting the movie "All the Money in the World" in Los Angeles, California, U.S., December 16, 2017. Picture taken December 16, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses for a portrait while promoting the movie "All the Money in the World" in Los Angeles, California, U.S., December 16, 2017. Picture taken December 16, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses for a portrait while promoting the movie "All the Money in the World" in Los Angeles, California, U.S., December 16, 2017. Picture taken December 16, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses for a portrait while promoting the movie "All the Money in the World" in Los Angeles, California, U.S., December 16, 2017. Picture taken December 16, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses for a portrait while promoting the movie "All the Money in the World" in Los Angeles, California, U.S., December 16, 2017. Picture taken December 16, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses for a portrait while promoting the movie "All the Money in the World" in Los Angeles, California, U.S., December 16, 2017. Picture taken December 16, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses for a portrait while promoting the movie "All the Money in the World" in Los Angeles, California, U.S., December 16, 2017. Picture taken December 16, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses for a portrait while promoting the movie "All the Money in the World" in Los Angeles, California, U.S., December 16, 2017. Picture taken December 16, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses for a portrait while promoting the movie "All the Money in the World" in Los Angeles, California, U.S., December 16, 2017. Picture taken December 16, 2017. REUTERS/Mario Anzuoni 

Cast member Christopher Plummer poses for a portrait while promoting the movie "All the Money in the World" in Los Angeles, California, U.S., December 16, 2017. Picture taken December 16, 2017. REUTERS/Mario Anzuoni 

Veteran actor Christopher Plummer poses backstage with his lifetime achievement award during the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Fred Thornhill 

Veteran actor Christopher Plummer poses backstage with his lifetime achievement award during the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Fred Thornhill 

Veteran actor Christopher Plummer poses backstage with his lifetime achievement award during the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Fred Thornhill 

Veteran actor Christopher Plummer walks off stage with director Atom Egoyan after being presented his lifetime achievement award at the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Mark Blinch

Veteran actor Christopher Plummer (L) is presented his lifetime achievement award by director Atom Egoyan at the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Mark Blinch

Veteran actor Christopher Plummer (L) is presented his lifetime achievement award by director Atom Egoyan at the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Mark Blinch

Veteran actor Christopher Plummer holds his lifetime achievement award during the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Mark Blinch 

Veteran actor Christopher Plummer holds his lifetime achievement award during the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Mark Blinch TPX IMAGES OF THE DAY 

Veteran actor Christopher Plummer poses with fans as he arrives at the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Fred Thornhill

Veteran actor Christopher Plummer arrives at the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Mark Blinch 

Veteran actor Christopher Plummer arrives at the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Mark Blinch 

Veteran actor Christopher Plummer arrives at the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Mark Blinch 

Actor Christopher Plummer announces the award for best film at the 2016 Canadian Screen Awards in Toronto, Ontario March 13, 2016. REUTERS/Mark Blinch

Veteran actor Christopher Plummer arrives at the 2016 Canadian Screen Awards in Toronto, Ontario March 13, 2016. REUTERS/Fred Thornhill 

Veteran actor Christopher Plummer arrives at the 2016 Canadian Screen Awards in Toronto, Ontario March 13, 2016. REUTERS/Mark Blinch 

Veteran actor Christopher Plummer arrives at the 2016 Canadian Screen Awards in Toronto, Ontario March 13, 2016. REUTERS/Mark Blinch 

Veteran actor Christopher Plummer arrives at the 2016 Canadian Screen Awards in Toronto, Ontario March 13, 2016. REUTERS/Mark Blinch 

Christopher Plummer poses for photographers during a handprint and footprint ceremony honoring the actor at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

A handprint and footprint ceremony honoring actor Christopher Plummer is held at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

Christopher Plummer poses for photographers during a handprint and footprint ceremony honoring the actor at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

(L-R) Actors Shirley MacLaine, Christopher Plummer and William Shatner pose for photographers following a handprint and footprint ceremony honoring Plummer at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

Christopher Plummer poses for photographers during a handprint and footprint ceremony honoring the actor at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

Christopher Plummer poses for photographers during a handprint and footprint ceremony honoring the actor at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

Christopher Plummer writes his name in cement during a handprint and footprint ceremony honoring the actor at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

Actress Shirley MacLaine speaks during a handprint and footprint ceremony honoring actor Christopher Plummer at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

Christopher Plummer speaks during a handprint and footprint ceremony honoring the actor at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

Christopher Plummer poses for photographers during a handprint and footprint ceremony honoring the actor at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

Actor William Shatner speaks during a handprint and footprint ceremony honoring actor Christopher Plummer at the TCL Chinese Theatre in Los Angeles March 27, 2015. REUTERS/Phil McCarten 

Cast members Christopher Plummer (L) and Julie Andrews pose during the 50th anniversary screening of musical drama film "The Sound of Music" at the opening night gala of the 2015 TCM Classic Film Festival in Los Angeles, California March 26, 2015. REUTERS/Kevork Djansezian 

Cast member Christopher Plummer poses during the 50th anniversary screening of musical drama film "The Sound of Music" at the opening night gala of the 2015 TCM Classic Film Festival in Los Angeles, California March 26, 2015. REUTERS/Kevork Djansezian 

Cast members Christopher Plummer (L) and Julie Andrews are interviewed during the 50th anniversary screening of musical drama film "The Sound of Music" at the opening night gala of the 2015 TCM Classic Film Festival in Los Angeles, California March 26, 2015. REUTERS/Kevork Djansezian 

Cast members Christopher Plummer (L) and Julie Andrews are interviewed during the 50th anniversary screening of musical drama film "The Sound of Music" at the opening night gala of the 2015 TCM Classic Film Festival in Los Angeles, California March 26, 2015. REUTERS/Kevork Djansezian 

Cast member Christopher Plummer poses during the 50th anniversary screening of musical drama film "The Sound of Music" at the opening night gala of the 2015 TCM Classic Film Festival in Los Angeles, California March 26, 2015. REUTERS/Kevork Djansezian