It was adapted for film as Casablanca (), starring Humphrey Bogart and Ingrid Bergman. Written by Murray Burnett and Joan Alison in , prior to the. Murray Burnett / Joan Alison – Casablanca. Label: Der Hörverlag – Series: Originalton. Format: Cassette, Album, Mono. Country. When ''Everybody Comes to Rick's,'' of which Mr. Burnett was a co-writer with Joan Alison, could not find a Broadway producer, the play was sold. "If you find me sometimes irritable," Murray Burnett is saying, "it's because I feel I've He and co-author Joan Alison's, to be precise. Joan Alison, Writer: Casablanca. Co-writer, with Murray Burnett, of "Everybody Comes to Rick's", a play sold to the Warner Brothers studio that became the. Murray Burnett, Writer: Casablanca. Murray Burnett (I) (–) Having co-written the play "Everybody Comes to Rick's" with Joan Alison. Mimeographed manuscript, by Murray Burnett and Joan Alison, pp separated The title was changed to Casablanca, and Humphrey Bogart and Ingrid Bergman. [Murray Burnett; Joan Alison] Play served as basis for the film Casablanca. Responsibility: by Murray Burnett and Joan Alison. Joan Alison (Collaborator). · Rating details · 23 ratings · 5 reviews. A play featuring Rick, an American bar owner of the Cafe Americain in Casablanca. Mr. Burnett, who died Sept. 23, and collaborator Joan Alison, sold the script for Everybody Comes to Rick's to Warner Bros. for $20,