Oh, Captain! is a musical comedy based on the 1953 film The Captain's Paradise with music and lyrics by Jay Livingston and Ray Evans and the book by Al Morgan and José Ferrer. The basis of the musical

The novel was adapted for the screen as The Great Man, directed by and starring José Ferrer, with a screenplay co-written by Morgan; the cast included Ferrer, Dean Jagger, and Julie London, and the fi