Betty Hutton as Eleanor "Yum-Yum" Collier

Victor Mature as Danny James

William Demarest as Charlie Baxter

June Havoc as Sandra

Jane Nigh as No-No

Frank Loesser as Hair-Do Lempke

William Talman as Bunny Harris

Art Smith as Laddie Corwin

Raymond Walburn as Mr. Creek

Onslow Stevens as Captain Allen

Joseph Vitale as Garr

Barry Kelley as Lieutenant Gorham

Bobby Watson as Barney Stratum

Jack Kruschen as Steve

Percy Helton as Stage Manager

Ernö Verebes as Waiter

Philip Van Zandt as Head-waiter

Henry Guttman as Frankie

Don Shelton as Hamlet

Herschel Daugherty as Laertes

Dorothy Abbott as The Queen

Julia Faye as Housekeeper

John Marchak as Guard

Julie Adams as Starlet (uncredited)

Frank Alten as Karl Müller (uncredited)

Roscoe J. Behan as Customer / Bartender at Perrin’s / Detective (uncredited)

Phil Boutelje as Crosland (uncredited)

Ralph Brooks as Waiter (uncredited)

James Burke as Doorman (uncredited)

Bill Burt as Gunman (uncredited)

Bruce Carruthers as Newsman (uncredited)

Douglas Carter as Piano Tuner (uncredited)

James Conaty as Restaurant Patron (uncredited)

James Cornell as Waiter / Actor in Theatre Group (uncredited)

Fairy Cunningham as Girl (uncredited)

Billy Daniel as Dancer (uncredited)

James Davies as Actor in Theatre Group (uncredited)

Lester Dorr as Drugstore Manager / Workman (uncredited)

Jimmie Dundee as Gangster (uncredited)

Roy Engel as Restaurant Patron (uncredited)

Billy Engle as Piano Tuner (uncredited)

Bess Flowers as Nightclub Patron (uncredited)

Maxine Gates as Waitress (uncredited)

Joseph J. Greene as Producer (uncredited)

William Hall as Kowalski (uncredited)

Fred Haney as Baseball Announcer (voice) (uncredited)

Len Hendry as Cigar Clerk (uncredited)

Stuart Holmes as Restaurant Patron (uncredited)

Arlene Jenkins as Newspaper Woman (uncredited)

Geraldine Jordan as Customer (uncredited)

Russ Kaplan as Gangster (uncredited)

Virginia Keiley as Miss Loring (uncredited)

Robert Kellard as Police Switchboard Operator (uncredited)

Mike Lally as Restaurant Customer (uncredited)

Paul Lees as Ogilvy (uncredited)

Edith Leslie as Mrs. Creek (uncredited)

Carl M. Leviness as Restaurant Customer (uncredited)

Rita Lupino as Dancer (uncredited)

Thomas Martin as Waiter (uncredited)

Harold Miller as Nightclub Patron (uncredited)

Noel Neill as Actress in Theatre Group (uncredited)

Jacqueline Park as Reporter / Drug Store Hostess / Showgirl (uncredited)

Edward Peil Sr. as Piano Tuner (uncredited)

Steve Pendleton as Detective (uncredited)

Lee Phelps as Cop (uncredited)

Pepito Pérez as Waiter at Perrin's (uncredited)

Joey Ray as Actor in Theatre Group (uncredited)

Suzanne Ridgway as Cafeteria Customer / Nightclub Patron (uncredited)

Cyril Ring as Reporter (uncredited)

Harry Rosenthal as Piano Player (uncredited)

Tim Ryan as Stranger (uncredited)

Jeffrey Sayre as Nightclub Patron (uncredited)

John Sheehan as Waiter (uncredited)

Charles Sherlock as Restaurant Patron (uncredited)

Douglas Spencer as Actor in Theatre Group (uncredited)

Larry Steers as Restaurant Patron (uncredited)

Diane Stewart as Customer / Cigar Clerk (uncredited)

Harry Templeton as Newsman (uncredited)

Marie Thomas as Showgirl (uncredited)

Arthur Tovey as Actor in Theatre Group (uncredited)

Harland Tucker as Saunders (uncredited)

Joe Whitehead as Building Manager (uncredited)