Attorney Loophole

Groucho Marx

Jeff Wilson

Kenny Baker

Julie Randall

Florence Rice

Antonio Pirelli

Chico Marx

Punchy

Harpo Marx

Peerless Pauline

Eve Arden

Mrs. Suzanna Dukesbury

Margaret Dumont

Goliath

Nat Pendleton

Jardinet

Fritz Feld

John Carter

James Burke

Little Professor Atom

Jerry Marenghi

Little Professor Atom (as Jerry Marenghi)

Jerry Maren

Whitcomb

Barnett Parker

Marx Brothers

Telegraph Clerk (uncredited)

Irving Bacon

Willie Best

Singer / Dancer - 'Swingali' (uncredited)

Dudley Dickerson

Chef in Diner (uncredited)

Frank Orth

Old Man (uncredited)

John Binns

Undetermined Role (uncredited)

Henry Blair

Member of Quarttete (uncredited)

George Bookasta

Party Guest (uncredited)

James Conaty

Telegrapher (uncredited)

Frank Darien

Circus Midget (uncredited)

Betsy Gay

Gibraltar (uncredited)

Charles Gemora

Man Leaving Diner (uncredited)

John George

Train Passenger (uncredited)

Bobby Hale

Conductor (uncredited)

Harry Hayden

Circus Patron (uncredited)

Shep Houghton

Boy at Circus (uncredited)

Payne B. Johnson

Club Car Train Passenger (uncredited)

Carl M. Leviness

Checkers Player (uncredited)

Buck Mack

Attendant (uncredited)

Murdock MacQuarrie

Cabbie (uncredited)

Matt McHugh

Governor (uncredited)

Edmund Mortimer

Captain (uncredited)

Forbes Murray

Ringmaster (uncredited)

Emory Parnell

Black Woman - 'Swingali' (uncredited)

Lillian Randolph

Party Guest (uncredited)

Larry Steers

Undetermined Role (uncredited)

Fred Walburn

Party Guest (uncredited)

Hazel Dohlman

Circus Patron (uncredited)

Stuart Hall