| Person | Type | Job | Role(s) |
|---|---|---|---|
 Blake Edwards | Crew | Writing | Screenplay |
 Bob Fosse | Crew | Crew | Choreographer |
 Charles Lawton Jr. | Crew | Camera | Director of Photography |
Charles Nelson | Crew | Editing | Editor |
Clay Campbell | Crew | Costume & Make-Up | Makeup Artist |
Fred Kohlmar | Crew | Production | Producer |
 George Duning | Crew | Sound | Music Arranger, Music |
Helen Hunt | Crew | Costume & Make-Up | Hairstylist |
 Jean Louis | Crew | Costume & Make-Up | Costume Design |
Jerome Chodorov | Crew | Writing | Theatre Play |
Joseph Fields | Crew | Writing | Theatre Play |
 Jule Styne | Crew | Sound | Songs |
 Richard Quine | Crew | Directing | Director, Screenplay |
Robert J. Schiffer | Crew | Costume & Make-Up | Makeup Artist |
Ruth McKenney | Crew | Writing | Short Story |
Sam Nelson | Crew | Directing | Assistant Director |
Walter Holscher | Crew | Art | Art Direction |
William Kiernan | Crew | Art | Set Decoration |
Leo Robin | Crew | Writing | Lyricist |
 Alberto Morin | Cast | Actor | Brazilian Consul (uncredited) |
 Alphonse Martell | Cast | Actor | Headwaiter (uncredited) |
 Barbara Brown | Cast | Actress | Helen's Mother |
 Betty Garrett | Cast | Actress | Ruth Sherwood |
Bob Fosse | Cast | Actor | Frank Lippincott |
 Cosmo Sardo | Cast | Actor | Man Who Helps Eileen (uncredited) |
 Dick York | Cast | Actor | Ted Loomis |
 Dorothy Phillips | Cast | Actress | Bit Role (uncredited) |
 Emil Sitka | Cast | Actor | Bit Welder (uncredited) |
 Franklyn Farnum | Cast | Actor | Pedestrian (uncredited) |
 Hal March | Cast | Actor | Pete - First Drunk |
 Henry Slate | Cast | Actor | Second Drunk |
 Horace McMahon | Cast | Actor | Police Officer Lonigan |
 Jack Lemmon | Cast | Actor | Bob Baker |
 Janet Leigh | Cast | Actress | Eileen Sherwood |
 Jeffrey Sayre | Cast | Actor | Nightclub Patron (uncredited) |
Ken Christy | Cast | Actor | Charlie - Police Sergeant (uncredited) |
 Kurt Kasznar | Cast | Actor | 'Papa' Appopolous |
 Lucy Marlow | Cast | Actress | Helen |
 Queenie Smith | Cast | Actress | Alice (uncredited) |
 Sid Tomack | Cast | Actor | Counterman (uncredited) |
 Tommy Rall | Cast | Actor | Chick Clark |
Anne Loos | Cast | Actress | Receptionist (uncredited) |
| Person | Type | Job | Role(s) |
