Actress Terry Pheto poses as she arrives for the gala screening of the film "A United Kingdom", on the opening night of the 60th British Film Institute (BFI) London Film Festival at Leicester Square in London, Britain October 5, 2016. REUTERS/Neil Hall 

Actress Terry Pheto poses as she arrives for the gala screening of the film "A United Kingdom", on the opening night of the 60th British Film Institute (BFI) London Film Festival at Leicester Square in London, Britain October 5, 2016. REUTERS/Neil Hall 

Ndaba and Ndileka Mandela, grandson and granddaughter of former South African president Nelson Mandela, look on as South African actress Terry Pheto (L-R), who plays the role of Mandela's first wife Evelyn Mase in the movie "Mandela: Long Walk to Freedom", speaks to the media during the film's premiere in Johannesburg November 3, 2013. REUTERS/Siphiwe Sibeko (SOUTH AFRICA - Tags: POLITICS ENTERTAINMENT) 

Actress Terry Pheto attends a news conference for the film "Mandela: Long Walk To Freedom" at the 38th Toronto International Film Festival in Toronto, September 8, 2013. REUTERS/Fred Thornhill (CANADA - Tags: ENTERTAINMENT) 

Actors Deon Lotz (R) and Terry Pheto attend a news conference for the film "Mandela: Long Walk To Freedom" at the 38th Toronto International Film Festival in Toronto, September 8, 2013. REUTERS/Fred Thornhill (CANADA - Tags: ENTERTAINMENT) 

Cast members (L-R) Riaad Moosa, Lindiwe Matshikiza, Dean Lotz and Terry Pheto pose on the red carpet before a screening of the film "Mandela: Long Walk to Freedom" at Roy Thomson Hall during the 38th Toronto International Film Festival in Toronto September 7, 2013. REUTERS/Jon Blacker (CANADA - Tags: ENTERTAINMENT) 

Cast member Terry Pheto poses on the red carpet before a screening of the film "Mandela: Long Walk to Freedom" at Roy Thomson Hall during the 38th Toronto International Film Festival in Toronto September 7, 2013. REUTERS/Jon Blacker (CANADA - Tags: ENTERTAINMENT) 

Cast member Terry Pheto poses on the red carpet before a screening of the film "Mandela: Long Walk to Freedom" at Roy Thomson Hall during the 38th Toronto International Film Festival in Toronto September 7, 2013. REUTERS/Jon Blacker (CANADA - Tags: ENTERTAINMENT) 

Cast member Terry Pheto poses on the red carpet before a screening of the film "Mandela: Long Walk to Freedom" at Roy Thomson Hall during the 38th Toronto International Film Festival in Toronto September 7, 2013. REUTERS/Jon Blacker (CANADA - Tags: ENTERTAINMENT) 

Cast member Terry Pheto poses on the red carpet before a screening of the film "Mandela: Long Walk to Freedom" at Roy Thomson Hall during the 38th Toronto International Film Festival in Toronto September 7, 2013. REUTERS/Jon Blacker (CANADA - Tags: ENTERTAINMENT) 

Cast member Terry Pheto poses on the red carpet prior to a screening of the film "Mandela: Long Walk to Freedom" at Roy Thomson Hall during the 38th Toronto International Film Festival in Toronto September 7, 2013. REUTERS/Jon Blacker (CANADA - Tags: ENTERTAINMENT) 

Former South African President Nelson Mandela (2nd L) poses with actor Presley Chwenneyagae (L), actress Terry Pheto (R) and the director Gavin Hood of the Oscar winning film "Tsotsi" at his home in Cape Town March 16, 2006. "Tsotsi" won for Best Foreign Film and is the first South African film to receive the award. REUTERS/Mike Hutchings 

South African film director Gavin Hood (L) and actors Presley Chwenneyagae (C) and Terry Pheto pose with the Oscar they won for Best Foreign Film on arrival at Johannesburg airport, March 12 2006 .Their film movie "Tsotsi" is the first South African film to receive the award. REUTERS/Antony Kaminju 

Cast members of the foreign film "Tsotsi" from South Africa Terry Pheto, Presley Chweneyagae (L) and director Gavin Hood (R) attend the Vanity Fair Oscars party after the 78th Academy Awards in Hollywood, California March 5, 2006. REUTERS/Phil McCarten 

Cast member of the foreign film "Tsotsi" from South Africa Terry Pheto arrives on the red carpet at the 78th annual Academy Awards at the Kodak Theatre in Hollywood, California March 5, 2006. "Tsotsi" is nominated for best foreign language film. REUTERS/Lucy Nicholson 

Cast members of the foreign film "Tsotsi" from South Africa Terry Pheto (R) and Presley Chweneyagae arrive on the red carpet at the 78th annual Academy Awards at the Kodak Theatre in Hollywood, California March 5, 2006. REUTERS/Lucy Nicholson 

Cast members of the foreign film "Tsotsi" from South Africa Terry Pheto (L) and Presley Chweneyagae arrive on the red carpet at the 78th annual Academy Awards at the Kodak Theatre in Hollywood, California March 5, 2006. REUTERS/Brian Snyder 

Cast members of the foreign film "Tsotsi" from South Africa Terry Pheto (L) and Presley Chweneyagae arrive on the red carpet at the 78th annual Academy Awards at the Kodak Theatre in Hollywood, California March 5, 2006. REUTERS/Brian Snyder 

Cast members of the foreign film "Tsotsi" from South Africa Terry Pheto (L) and Presley Chweneyagae arrive on the red carpet at the 78th annual Academy Awards at the Kodak Theatre in Hollywood, California March 5, 2006. REUTERS/Brian Snyder 

Cast members of the foreign film "Tsotsi" from South Africa Terry Pheto (L) and Presley Chweneyagae arrive on the red carpet at the 78th annual Academy Awards at the Kodak Theatre in Hollywood, California March 5, 2006. REUTERS/Brian Snyder 

Director of "Tsotsi" Gavin Hood (C) poses with cast members Terry Pheto (R) and Presley Chweneyagae during the Foreign Language Film Awards reception at the Academy of Motion Picture Arts and Sciences in Beverly Hills, California March 3, 2006. The 78th Academy Awards takes place on March 5. REUTERS/Brendan McDermid 

"Tsotsi" director Gavin Hood (L) poses with cast members Terry Pheto (2nd L), Presley Chweneyagae and producer Peter Fudakoski (R) on the red carpet ahead of the 78th Academy Awards in Hollywood, California March 3, 2006. The Oscars will be awarded March 5, 2006. REUTERS/Phil McCarten 

Director Gavin Hood, (L) actress Terry Pheto (C) and actor Presley Chweneyagae stand with a poster from their movie ahead of the 78th Academy Awards in Hollywood, California March 3, 2006. Hood is nominated for the Foreign Language Film Award for his movie "Tsotsi". REUTERS/Phil McCarten