Jerry Lewis Herbert H. Heebert, Mama Heebert Director, Actor, Screenwriter, Producer Helen Traubel Miss Helen N. Wellenmellon Actor Kathleen Freeman Katie Actor Hope Holiday Miss Anxious Actor Pat Stanley Fay Actor Jack Kruschen Graduation Emcee Professor Actor Doodles Weaver Soundman Actor Harry James Self Buddy Lester Willard C. Gainsborough Actor George Raft Self Bill Richmond Screenwriter Walter Scharf Original Music W. Wallace Kelley Cinematographer Stanley E. Johnson Film Editing Ross Bellah Art Director Hal Pereira Art Director Sam Comer Set Decoration James W. Payne Set Decoration Edith Head Costume Design