Judy Holliday as Nina Chapman Tracey

Jack Lemmon as Robert Tracey

Jack Carson as Charlie Nelson

Kim Novak as Janis

Luella Gear as Mrs. Edith Chapman

Donald Randolph as Dr. Van Kessel

Donald Curtis as Rick Vidal

Shirlee Allard as Secretary (uncredited)

Leon Alton as Nightclub Patron (uncredited)

Merry Anders as Marsha (uncredited)

Mylee Andreason as Dance Teacher (uncredited)

Frank Arnold as Art Teacher (uncredited)

Fay Baker as Nurse Serena (uncredited)

Eugene Borden as Teddy - Maitre d' (uncredited)

Paul Bradley as Nightclub Patron (uncredited)

Sue Carlton as Minor Role (uncredited)

Harry Cheshire as Nina's Divorce Lawyer (uncredited)

Sayre Dearing as Nightclub Patron (uncredited)

Jimmie Dodd as Cab Driver (uncredited)

Dan Dowling as Nightclub Patron (uncredited)

Charles Ferguson as Waiter (uncredited)

Bess Flowers as Nightclub Patron / Woman at Airport (uncredited)

Arny Freeman as Language Teacher (uncredited)

Rudy Germane as Nightclub Patron (uncredited)

Kenneth Gibson as Nightclub Patron (uncredited)

James Gonzalez as Studio Executive (uncredited)

Dick Gordon as Technician (uncredited)

Geraldine Hall as Nina's Secretary (uncredited)

Sam Harris as Nightclub Patron / Man at Airport (uncredited)

Jerry Hausner as Steve (uncredited)

Charles Heard as Doorman (uncredited)

Bill Hickman as Studio Technician (uncredited)

George Hill as Page (uncredited)

Shep Houghton as Nightclub Patron (uncredited)

Wendy Howard as Artist's Model (uncredited)

Joyce Jameson as Secretary (uncredited)

Virgil Johansen as Doorman (uncredited)

Joe Karnes as Minor Role (uncredited)

Tom Kingston as Manager (uncredited)

Charlotte Lawrence as Cynthia (uncredited)

Perk Lazelle as Nightclub Patron (uncredited)

Billy Lechner as Boy (uncredited)

Sally Mansfield as Miss Comstock (uncredited)

Maxine Marlowe as Secretary (uncredited)

Alphonse Martell as Maitre D' (uncredited)

Vivian Mason as Secretary (uncredited)

Harold Miller as Nightclub Patron (uncredited)

Patrick Miller as Page (uncredited)

Hans Moebus as Nightclub Patron (uncredited)

George Nardelli as Nightclub Patron (uncredited)

William Newell as Workman (uncredited)

Monty O'Grady as Nightclub Patron (uncredited)

Hamil Petroff as Dance Teacher (uncredited)

Gilman Rankin as Minor Role (uncredited)

Leoda Richards as Restaurant Patron (uncredited)

Cosmo Sardo as Nightclub Patron (uncredited)

Jeffrey Sayre as Party Guest (uncredited)

Eddie Searles as Tommy (uncredited)

Bernard Sell as Nightclub Patron (uncredited)

Olan Soule as Mr. Duncan (uncredited)

Norman Stevans as Nightclub Patron (uncredited)

Brick Sullivan as Radio Technician (uncredited)

Hal Taggart as Restaurant Patron (uncredited)

Ted Thorpe as Minor Role (uncredited)