Tony Curtis as Bob Weston

Natalie Wood as Helen Gurley Brown

Henry Fonda as Frank Broderick

Lauren Bacall as Sylvia Broderick

Mel Ferrer as Rudy DeMeyer

Fran Jeffries as Gretchen

Leslie Parrish as Susan

Edward Everett Horton as The Chief

Larry Storch as Motorcycle Cop

Stubby Kaye as Helen's Cabbie

Howard St. John as George Randall

Otto Kruger as Dr. Anderson

Max Showalter as Holmes

William Lanteau as Sylvester

Helen Kleeb as Hilda

Curly Klein as Sylvia's Cabbie

Frank Baker as Pretzel Vendor (uncredited)

Sayre Dearing as Nightclub Patron (uncredited)

Cosmo Sardo as Waiter (uncredited)

Jeffrey Sayre as Man at Stocking Show (uncredited)

Bert Stevens as Nightclub Patron at Anniversary Party (uncredited)

Fredd Wayne as Frank (uncredited)

John Alban as Nightclub Patron (uncredited)

David Armstrong as Attendant (uncredited)

Larry J. Blake as Policeman (uncredited)

Barbara Bouchet as Photographer at Anniversary Party (uncredited)

Paul Bradley as Nightclub Patron (uncredited)

Tex Brodus as Nightclub Patron (uncredited)

Paul Bryar as Toll Gate Guard (uncredited)

George E. Carey as Board Member (uncredited)

Claire Carleton as Woman (uncredited)

Taggart Casey as Guard (uncredited)

Buddy Catlett as Bassist in the Count Basie Band (uncredited)

Albert Cavens as Nightclub Patron (uncredited)

Charles Cirillo as Waiter (uncredited)

Paul Cristo as Nightclub Patron (uncredited)

Oliver Cross as Commuter (uncredited)

William Fawcett as Bum (uncredited)

Charles Fogel as Commuter (uncredited)

Robert Foulk as Arresting Police Detective (uncredited)

Phil Garris as Young Man (uncredited)

Kenneth Gibson as Office Worker (uncredited)

Bobby Gilbert as Commuter (uncredited)

Edmund Glover as Dr. A.L. Chickering (uncredited)

Tom Harkness as Board Member (uncredited)

George Holmes as Nightclub Patron (uncredited)

Sharon Johnson as Sonia (uncredited)

Mary Kovacs as Woman (uncredited)

James Lanphier as Salesman (uncredited)

Robert Locke Lorraine as Nightclub Patron (uncredited)

Martin Martin as Board Member (uncredited)

Cheerio Meredith as Emily (uncredited)

Hans Moebus as Nightclub Patron (uncredited)

Charles Morton as Board Member (uncredited)

Burt Mustin as Harvey (uncredited)

George Nardelli as Office Worker (uncredited)

Monty O'Grady as Nightclub Patron (uncredited)

Paddi O'Hara as Strange Woman (uncredited)

Tom Quine as Board Member (uncredited)

Paul Ravel as Commuter (uncredited)

Victor Romito as Construction Worker (uncredited)

Clark Ross as Nightclub Patron (uncredited)

Irving Steinberg as Board Member (uncredited)

Shelia Stephenson as Board Member (uncredited)

Hal Taggart as Nightclub Patron (uncredited)

Yvonne White as Woman (uncredited)

John Zimeas as Commuter (uncredited)