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