Robert Montgomery as Jeff

Sally Eilers as Mona

Madge Evans as Claire

Eugene Pallette as Terwilliger

C. Henry Gordon as Mayor Starling

Jean Parker as Adele

Bess Flowers as Wardrobe fitter

Billy Gilbert as Commissioner Jerry Allesandro (uncredited)

Ivan Lebedeff as Ramon Salinas

David Newell as O'Neill - Mayor's Secretary

Vince Barnett as Snitz Lepedis

Joseph Cawthorn as Maxie Schultz

Ernie Adams as Elmer - Jeff's Chauffeur

William Bailey as Attorney in Courtroom

Vangie Beilby as Aunt Effie

Zeffie Tilbury as Aunt Ada

Richard Tucker as Party Guest

Harry Stubbs as Party Guest

Ferdinand Munier as General Boyland

Harold Miller as Nightclub Patron

Eva McKenzie as Aunt Emma

Tom London as Plainclothesman

DeWitt Jennings as Moriarty

Bud Geary as Reporter in Courtroom

Bill Elliott as Night Club Patron

Claire Du Brey as Miss Squires - Jeff's Secretary

Don Brodie as Don Brodie

Wade Boteler as Police Inspector Burke

Sherry Hall as Reporter

Phillips Smalley as Judge

Charles Williams as Photographer