Christoph Waltz is an  award-winning actor.
Best Actor in a Supporting Role is a British Academy Film Award presented annually by the British Academy of Film and Television Arts ( BAFTA ) to recognize an actor who has delivered an outstanding supporting performance in a film . The Best Actor Award ( Prix d'interprétation masculine ) is an award presented at the Cannes Film Festival . Christoph Waltz . He also received the Best Actor Award at the Cannes Film Festival and a Screen Actors Guild Award for his portrayal of Landa . The Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Supporting Role is an award given by the Screen Actors Guild to honor the finest acting achievements in film .