Robert Montgomery
— James Crocker, Jr.
Frank Morgan
— James Crocker, Sr. / Count Olav Osric
Madge Evans
— Ann Chester
Eric Blore
— Bayliss, Jim's Butler
Billie Burke
— Eugenia Willis, Nesta's Sister
Robert Benchley
— Bill Macon
Ralph Forbes
— Lord Frederick 'Freddie' Priory
Cora Witherspoon
— Nesta Pett, Ann's Aunt
Tommy Bupp
— Ogden Pett
Aileen Pringle
— Paducah Pomeroy
Grant Mitchell
— Herbert Pett
E. E. Clive
— London Gossip Editor Bill Mechan
Billy Bevan
— Taxi Driver
Grayce Hampton
— Mrs. Brede (as Grace Hampton)
Bess Flowers
— Nightclub patron
Torben Meyer
— Pett's Butler (uncredited)
Dennis Morgan
— Chrystal Club Singer (uncredited)
Dennis O'Keefe
— Petie McGregor (uncredited)