Groucho Marx

Attorney J. Cheever Loophole

Chico Marx

Antonio Pirelli

Harpo Marx

'Punchy'

Kenny Baker

Jeff Wilson

Florence Rice

Julie Randall

Eve Arden

Peerless Pauline

Margaret Dumont

Mrs. Suzanna Dukesbury

Nat Pendleton

Goliath

Fritz Feld

Jardinet

James Burke

John Carter

Jerry Maren

Little Professor Atom (as Jerry Marenghi)

Barnett Parker

Whitcomb

Irving Bacon

Telegraph Clerk (uncredited)

Willie Best

Redcap (uncredited)

Frank Orth

Chef in Diner (uncredited)

John Binns

Old Man (uncredited)

Henry Blair

Undetermined Role (uncredited)

George Bookasta

Member of Quarttete (uncredited)

James Conaty

Party Guest (uncredited)

Frank Darien

Telegrapher (uncredited)

Dudley Dickerson

Singer / Dancer - 'Swingali' (uncredited)

Betsy Gay

Circus Midget (uncredited)

Charles Gemora

Gibraltar (uncredited)

John George

Man Leaving Diner (uncredited)

Bobby Hale

Train Passenger (uncredited)

Harry Hayden

Conductor (uncredited)

Shep Houghton

Circus Patron (uncredited)

Payne B. Johnson

Boy at Circus (uncredited)

Carl M. Leviness

Club Car Train Passenger (uncredited)

Buck Mack

Checkers Player (uncredited)

Murdock MacQuarrie

Attendant (uncredited)

Matt McHugh

Cabbie (uncredited)

Edmund Mortimer

Governor (uncredited)

Forbes Murray

Captain (uncredited)

Emory Parnell

Ringmaster (uncredited)

Lillian Randolph

Black Woman - 'Swingali' (uncredited)

Larry Steers

Party Guest (uncredited)

Fred Walburn

Undetermined Role (uncredited)

Robert Winkler

Undetermined Role (uncredited)

Hazel Dohlman

Party Guest (uncredited)

Stuart Hall

Circus Patron (uncredited)