Claim: Michael Keaton performed in Birdman.
Evidence: Keaton 's lead performance in Birdman or -LRB- The Unexpected Virtue of Ignorance -RRB- -LRB- 2014 -RRB- earned him a Golden Globe Award for Best Actor in a Musical or Comedy , the Critics ' Choice Award for Best Actor and Best Actor in a Comedy , and nominations for the Screen Actors Guild Award , British Academy Film Award , and Academy Award for Best Actor.