Did Dooley Wilson actually play the piano in Casablanca (1942)? December 26, 2011 by Pamela Landy · Filed Under: Movies & TV No, Dooley Wilson didn’t actually play the piano in Casablanca (1942). Wilson sang in the movie, but couldn’t play piano. Accompaniment was dubbed in. Related PostsWho is credited with the screenplay for Casablanca (1942)?Was Casablanca (1942) ever turned into a TV series?Is anyone credited with writing the piano exercise “Chopsticks”?What was the name of the piano player Hoagy Carmichael portrayed in To Have and Have Not (1944)?What was Mr. Dooley’s occupation?