Requiem for a Heavyweight

Anthony Quinn

Lewis 'Mountain' Rivera

Jackie Gleason

Maish Rennick

Mickey Rooney

Army

Julie Harris

Grace Miller

Stanley Adams

Perelli (as Stan Adams)

Madame Spivy

Ma Greeny

Val Avery

Young fighter's promoter

Herbie Faye

Charlie, the Bartender

Jack Dempsey

Himself

Muhammad Ali

Himself (as Cassius Clay)

Lou Gilbert

Dr. Gilbert

Michael Conrad

Ma Greeny's Thug

Rory Calhoun

Himself

Barney Ross

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Willie Pep

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Steve Belloise

Hotel Desk Clerk

Abe Simon

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Stan Ross

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J.J. Ballargeon

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Paolo Rosi

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Alex Miteff

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Gus Lesnevich

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Al Bain

Police Officer (uncredited)

William Calhoun

Rivera's wrestling opponent (uncredited)

Nancy Cushman

Woman on Elevator (uncredited)

Sig Frohlich

Diner Patron (uncredited)

John Indrisano

Barfly Watching TV (uncredited)

Arthur M. Mercante

Referee (uncredited)

Angelo Rossitto

Midget Wrestler Outside Wrestling Ring (uncredited)

David Susskind

Trailor Narrator (uncredited)