A Night at the Opera [Portuguese]

Groucho Marx

Otis B. Driftwood

Chico Marx

Fiorello

Harpo Marx

Tomasso

Kitty Carlisle

Rosa Castaldi

Allan Jones

Riccardo Barone

Walter Woolf King

Rudolfo Lassparri

Sig Ruman

Herman Gottlieb

Margaret Dumont

Mrs. Claypool

Edward Keane

Ship's Captain

Robert Emmett O'Connor

Police Sergeant Henderson

Enrique Acosta

Nightclub Guest

Harry Adams

Opera Spectator

Harry Allen

Doorman

Sam Appel

Dungeon Guard

King Baggot

Dignitary

Marion Bell

Lady looking for 'Aunt Minnie'

Edna Bennett

Maid

Dolly Blackburn

Little Girl watching Harpo playing