Dr. Steven Harris
Dean Martin
Homer Flagg
Jerry Lewis
Conductor
Raymond Greenleaf
Isaiah Jackson
Walter Baldwin
Man
Fay Roope
Barber (uncredited)
Fritz Feld
Scouts Leader (uncredited)
Dabbs Greer
Gift Shop Clerk (uncredited)
Grady Sutton
Manicurist (uncredited)
Kathryn Grant
Patron at Wonderland Ballroom (uncredited)
Bess Flowers
Dr. Nassau (uncredited)
Eduard Franz
Manicurist
Marla English
Wally Cook
Janet Leigh
City Official (uncredited)
Charles Fogel
The Mayor of New York
Edward Arnold
Oliver Stone
Fred Clark
Jitterbug Champion
Sheree North
Waiter
Sammy White
Master of Ceremonies
Sid Tomack
Dr. Emile Egelhofer
Sig Ruman
Dr. Lee
Richard Loo
Theatre Play
Ben Hecht
Assistant Director
Michael D. Moore
Director of Photography
Daniel L. Fapp
Costume Design
Edith Head
Screenplay
Jack Rose
Walter Scharf
Music Arranger
Set Decoration
Sam Comer
Melville Shavelson
Songs
Jule Styne
Music
Director
Norman Taurog
Second Assistant Director
Clem Jones
Story
James H. Street
Art Direction
Albert Nozaki
Editor
Archie Marshek
Dialogue Coach
Rudy Makoul
Hal Pereira
Sound Recordist
Gene Merritt
Emile Kuri
Special Effects
John P. Fulton
Second Unit Director
Arthur Rosson
Gene Garvin
Second Unit Director of Photography
W. Wallace Kelley
Producer's Assistant
Jack Mintz
Producer
Paul Jones
Choreographer
Nick Castle
Lyricist
Bob Hilliard