Joe (Josephine)
Tony Curtis
Jerry (Daphne)
Jack Lemmon
Beinstock
Dave Barry
Spats' Henchman
Mike Mazurki
Harry Wilson
Dolores
Beverly Wills
Nellie
Barbara Drew
Johnny Paradise
Edward G. Robinson Jr.
Band Member (uncredited)
Mary Foley
Georgia Joan Hannan
Colleen O'Sullivan
Bellhop (uncredited)
Al Breneman
Sugar Kane Kowalczyk
Marilyn Monroe
Bouncer (uncredited)
Tom Kennedy
Chef (uncredited)
Edwin Rochelle
Club Patron (uncredited)
Robert Cole
Commuter at Station (uncredited)
Sammy Shack
Drunk (uncredited)
Fred Sherman
Emily (uncredited)
Sandra Warner
Fresh Bellboy (uncredited)
Danny Richards Jr.
Funeral Director / Waiter / Josephine (voice) (uncredited)
Paul Frees
Gangster (uncredited)
Ted Christy
Gangster at Convention (uncredited)
Phil Bloom
Spats Colombo
George Raft
Willie Bloom
James J. Casino
Bing Conley
Paul Cristo
Duke Fishman
Joseph Glick
Joseph La Cava
King Lockwood
Jack Perry
Sid Troy
Detective Mulligan
Pat O’Brien
Gangster at Massacre (uncredited)
Ralph Volkie
Gangster Convention Greeter (uncredited)
James Dime
Gangster with Charlie (uncredited)
Jack Gordon
Hotel Guest (uncredited)
Steve Carruthers
Sam Harris
William H. O'Brien
Mary Lou (uncredited)
Laurie Mitchell
Mobster at Banquet (uncredited)
Joe Gray
Mozzarella (uncredited)
Tito Vuolo
Official #2 (uncredited)
Harold 'Tommy' Hart
Osgood Fielding III
Joe E. Brown
Old Man (uncredited)
Scott Seaton
Olga (uncredited)
Marian Collier
Party Guest (uncredited)
Brandon Beach
Police Officer (uncredited)
Noble 'Kid' Chissell
Franklyn Farnum
George Ford
John Roy
Policeman (uncredited)
William Hoehne Jr.
Retirement Home Resident (uncredited)
Carl M. Leviness
Rosella (uncredited)
Helen Perry
Little Bonaparte
Nehemiah Persoff
Grace Lee Whitney
Spats' Henchman (uncredited)
Pat Comiskey
Tipp McClure
Speakeasy Patron (uncredited)
Alex Ball
Beulah Christian
Bobby Gilbert
Stuart Hall
Shep Houghton
Hank Mann
Frank McLure
Sweet Sue
Joan Shawlee
Bert Stevens
Arthur Tovey
Waiter (uncredited)
John Indrisano
Cosmo Sardo
(uncredited)
Sam Bagley
George Lake
Tiger Joe Marsh
Jack Mather
Joe Palma
Carl Sklover
Sig Poliakoff
Billy Gray
Billy Wayne
Toothpick Charlie
George E. Stone
Screenplay
I. A. L. Diamond
Associate Producer
Director
Billy Wilder
Producer
Costume Design
Orry-Kelly
Original Music Composer
Adolph Deutsch
Editor
Arthur P. Schmidt
Director of Photography
Charles Lang
Special Effects
Milt Rice
Production Manager
Allen K. Wood
Art Direction
Ted Haworth
Hairstylist
Alice Monte
Agnes Flanagan
Sound
Fred Lau
Set Decoration
Edward G. Boyle
Makeup Artist
Emile LaVigne
Music Editor
Eve Newman
Assistant Director
Sam Nelson
Story
Robert Thoeren
Michael Logan
Continuity
John Franco
Props
Tom Plews
Doane Harrison