Hedy Lamarr as Vanessa Windsor

Jane Powell as Penny Windsor

Jan Sterling as Lily Frayne

George Nader as Chris Farley

Jerry Paris as Hank Lopez

Gregg Palmer as Piggy

Mabel Albertson as Irma Jones

James Gleason as Tom Maloney

Richard H. Cutting as Dr. John Ramsay

Ann Doran as Nurse

Yvonne Peattie as Hairdresser

Max Showalter as Charlie Grant

Douglas Evans as The Director

Aram Katcher as Mischa Boroff

Gertrude Astor as Actress on Movie Set (uncredited)

Richard Avonde as Lily's Gigolo Pepe (uncredited)

Robert Brubaker as Bartender (uncredited)

Hal K. Dawson as Assistant Director Eddie (uncredited)

Isabelle Dwan as Masseuse (uncredited)

William Henry as Delivery Man (uncredited)

George Hickman as Observer at Lighting Accident (uncredited)

Walter Kelley as Assistant Director (uncredited)

Kenner G. Kemp as Stagehand (uncredited)

William Meader as Barnes the Chauffeur (uncredited)

Laurie Mitchell as Manicurist (uncredited)

Almira Sessions as Mabel (uncredited)

Frank Sully as Taxicab Driver (uncredited)

John Truax as Observer at Lighting Accident (uncredited)

Sailor Vincent as Observer at Lighting Accident (uncredited)

Robert Wegner as Coffee-Wagon Attendant (uncredited)