Otis B. Driftwood
Groucho Marx
Fiorello
Chico Marx
The Fortune Teller in 'Trovatore' (uncredited)
Evelyn Selbie
The Mayor of New York (uncredited)
Purnell Pratt
The Stage Manager (uncredited)
Jonathan Hale
Otto the Elevator Operator (uncredited)
Otto Fries
First Porter (uncredited)
Gino Corrado
Ship Passenger (uncredited)
Bess Flowers
Policeman (uncredited)
Chuck Hamilton
Manager's Assistant (uncredited)
Frank McLure
Stagehand (uncredited)
William H. O'Brien
Committeeman (uncredited)
George Irving
Tomasso
Harpo Marx
Orchestra Member Asking Fiorello Not to Play Piano (uncredited)
Billy Gilbert
Opera Spectator (uncredited)
Ruth Cherrington
Immigration Inspector (uncredited)
Al Bridge
Selmer Jackson
Engineer's Assistant (uncredited)
Jack 'Tiny' Lipson
Ship's Officer (uncredited)
Stanley Blystone
Wedgwood Nowell
Dignitary (uncredited)
King Baggot
Opera Conductor (uncredited)
John St. Polis
Bud Geary
Rosa
Kitty Carlisle
Aviator (uncredited)
Rolfe Sedan
Dungeon Guard (uncredited)
Sam Appel
Ship's Steward (uncredited)
Stephen Soldi
Mayor (uncredited)
Fortune Teller (uncredited)
Jay Eaton
Harry 'Zoup' Welsh
Child (uncredited)
Gloria Delson
Ricardo Barroni
Allan Jones
Gottlieb
Sig Ruman
Lassparri
Walter Woolf King
Henderson
Robert Emmett O'Connor
Mrs. Claypool
Margaret Dumont
Captain
Edward Keane
Executive Producer
Irving Thalberg
Sound Director
Douglas Shearer
Music
Herbert Stothart
Director
Sam Wood
Assistant Director
Lesley Selander
Story
James Kevin McGuinness
Art Direction
Cedric Gibbons
Screenplay
Morrie Ryskind
Makeup Artist
Robert J. Schiffer
Editor
William LeVanway
Costume Design
Dolly Tree
Director of Photography
Merritt B. Gerstad
George S. Kaufman
Camera Operator
A. Lindsley Lane