A Night at the Opera

Groucho Marx Otis B. Driftwood Chico Marx Fiorello Harpo Marx Tomasso Kitty Carlisle Rosa Allan Jones Ricardo Barroni Sig Ruman Gottlieb Walter Woolf King Lassparri Robert Emmett O'Connor Henderson Margaret Dumont Mrs. Claypool Edward Keane Captain Jonathan Hale The Stage Manager (uncredited) Otto Fries Otto the Elevator Operator (uncredited) Gino Corrado First Porter (uncredited) Bess Flowers Ship Passenger (uncredited) Chuck Hamilton Policeman (uncredited) Frank McLure Manager's Assistant (uncredited) William H. O'Brien Stagehand (uncredited) George Irving Committeeman (uncredited) Billy Gilbert Orchestra Member Asking Fiorello Not to Play Piano (uncredited) Ruth Cherrington Opera Spectator (uncredited) Al Bridge Immigration Inspector (uncredited) Selmer Jackson Committeeman (uncredited) Jack 'Tiny' Lipson Engineer's Assistant (uncredited) Stanley Blystone Ship's Officer (uncredited) Wedgwood Nowell Ship Passenger (uncredited) King Baggot Dignitary (uncredited) John St. Polis Opera Conductor (uncredited) Bud Geary Stagehand (uncredited) Rolfe Sedan Aviator (uncredited) Sam Appel Dungeon Guard (uncredited) Stephen Soldi Ship's Steward (uncredited) Purnell Pratt Mayor (uncredited) Evelyn Selbie Fortune Teller (uncredited) Jay Eaton Aviator (uncredited) Harry 'Zoup' Welsh Ship's Steward (uncredited) Gloria Delson Child (uncredited)