Eddie Cantor as Eddie aka Oedipus

Ruth Etting as Olga

Gloria Stuart as Princess Sylvia

Edward Arnold as Emperor Valerius

David Manners as Josephus

Verree Teasdale as Empress Agrippa

Alan Mowbray as Majordomo

Jack Rutherford as Manius (as John Rutherford)

Willard Robertson as Warren Finley Cooper

Lee Kohlmar as Storekeeper

Charles Arnt as Caius - the Food Taster (uncredited)

Lucille Ball as Goldwyn Girl (uncredited)

Billy Barty as Little Eddie (uncredited)

Jane Darwell as Roman Spa Proprietress (uncredited)

Paulette Goddard as Goldwyn Girl (uncredited)

Frank Hagney as Lucius - Josephus' Charioteer (uncredited)

Philippa Hilber as Goldwyn Girl (uncredited)

Barbara Pepper as Goldwyn Girl (uncredited)