Joan Alison

Co-writer, with Murray Burnett, of "Everybody Comes to Rick's", a play sold to the Warner Brothers studio that became the basis of "Casablanca" (WB, 1942). Alison and Burnett were each paid one-off fees of $10,000 for rights to the first filming of the play, and received on-screen credit only for subsequent productions of "Casablanca" through ensuing years.