Elenco (na ordem dos créditos)
Russ Hodges
Self - Ringside Commentator
Steve Ellis
Ted Husing
Ezzard Charles
Self
Frank Gilmer
Self - Referee
Johnny Addie
Self - Ring Announcer
Jake LaMotta
Ben Bentley
Jack Drees
Sugar Ray Robinson
Frank Sikora
Kid Gavilan
Archie Moore
Billy Graham
Bob Satterfield
Self - Guest
Jack Curley
Chuck Davey
Mark Conn
Joe Louis
Rex Layne
Vincent Nardiello
Joey Maxim
Danny Nardico
Floyd Patterson
Harry Kessler
Joey Giardello
Ed Pazdur
Self - scorekeeper
Izzy Klein
Self - Cornerman
Virgil Akins
Rocky Graziano
James Carter
James D. Norris
Self - Ringside Guest
Willie Ketchum
Self - Trainer
Al Lamotta
Lauro Salas
Mannie Seamon
Cesar Brion
Larry Amadee
Ray Arcel
George Nicholson
Eddie Flint
Harry Matthews
George Walsh
Jack Hurley
Jack Downey
Buck McTiernan
Jackie Davis
Jimmy Bivins
Richard Conte
Al Silvani
Rocky Marciano
Jimmy Lennon Sr.
Don Dunphy
Frankie Van
Jack Kearns
Tony Spano
Irving Cohen
Carmen Basilio
Tom Briscoe
Bob Murphy
Nat Fleischer
Jimmy Slade
Pat Kerwin
Lou Handler
Dave Rollins
Joe Triner
Self - Boxing Commissioner
Joey DeJohn
Joe Metro
Rocky Castellani
Al Delmonte
Bill Regan
Tommy Gilmore
Bob Ingham
Johnny Dejohn
Pat Rush
Clarence Rosen
Whitey Bimstein
Dick Mastro
Al Dinapoli
Norman Hayes
Norm McGarrity
Pete Tomasso
Travis Hatfield
Lee Savold
Johnny Saxton
Harold Lyons
Johnny Bratton
Bennie Briscoe
Sammy Sharon
Al Cervantes
Bill Stern
Self - Ringside Announcer
Randolph Turpin
Carl 'Bobo' Olson
Sandy Saddler
Scotty Butterworth
Chuck Spieser
Charlie Orchard
Self - Missouri Boxing Commission
Charley Riley
Nate Huskey
Self - boxer
Alan Moody
Frankie Carter
Nenos Solomon
Chester Mieszala
Al Berl
Ralph Jones
Paul Andrews
Al Andrews