Errol Flynn as James J. Corbett

Alexis Smith as Victoria Ware

Jack Carson as Walter Lawrie

Alan Hale as Pat Corbett

John Loder as Carlton De Witt

William Frawley as Billy Delaney

Minor Watson as Buck Ware

Ward Bond as John L. Sullivan

Madeleine Lebeau as Anna Held

Rhys Williams as Harry Watson

Monte Blue as Gambler in "Lucky Guy"

Pat Flaherty as Harry Corbett

Arthur Shields as Father Burke

Dorothy Vaughan as Ma Corbett

Hooper Atchley as (uncredited)

Milton Kibbee as (uncredited)

Richard Kipling as (uncredited)

Charles Lang as (uncredited)

Edwin August as Olympic Club Member (uncredited)

Eric Mayne as Olympic Club Member (uncredited)

Charles Meakin as Olympic Club Member (uncredited)

Count Stefenelli as Olympic Club Member (uncredited)

Clara Blandick as Woman on Train (uncredited)

Winifred Harris as Woman at Opera (uncredited)

Wade Boteler as Policeman (uncredited)

Walter Byron as Ringside Telegrapher (uncredited)

Hal Craig as Telegrapher (uncredited)

Robert Fiske as Telegrapher (uncredited)

Georgia Caine as Mrs. Geary (uncredited)

Mary Gordon as Mrs. Casey (uncredited)

Johnny Calkins as Boy (uncredited)

Lon McCallister as Page Boy (uncredited)

Davison Clark as Auctioneer (uncredited)

Wallis Clark as Judge Geary (uncredited)

Joseph Crehan as Duffy - Referee (uncredited)

Freddie Steele as Referee (uncredited)

Dick Wessel as Referee (uncredited)

Harry Crocker as Charles Crocker (uncredited)

Wade Crosby as Manager (uncredited)

William B. Davidson as Donovan (uncredited)

William 'Wee Willie' Davis as Flannagan (uncredited)

Jean Del Val as Renaud (uncredited)

Joe Devlin as Hogan (uncredited)

Dudley Dickerson as Bellboy (uncredited)

Peggy Diggins as Beautiful Actress (uncredited)

Joan Winfield as Actress (uncredited)

Lester Dorr as Reporter (uncredited)

Lew Harvey as Reporter (uncredited)

Victor Zimmerman as Reporter (uncredited)

James Flavin as George Corbett (uncredited)

Art Foster as Jack Burke (uncredited)

Jack Gardner as Usher (uncredited)

Frank Hagney as Mug (uncredited)

Creighton Hale as Championship Fight Spectator (uncredited)

Mathew McCue as Championship Fight Spectator (uncredited)

Bert Hanlon as Clerk (uncredited)

Carl Harbaugh as Smith (uncredited)

Jack Herrick as Bodyguard (uncredited)

Herbert Heywood as Man on Telephone (uncredited)

Si Jenks as Old Man (uncredited)

Tor Johnson as The Mauler (uncredited)

Fred Kelsey as Sutro (uncredited)

Joe King as Col. McLane (uncredited)

Ed Lewis as Hoghead (uncredited)

George Lloyd as Harrigan (uncredited)

Charles Marsh as Station Master (uncredited)

John Maxwell as Stockbroker (uncredited)

Frank Mayo as Gov. Stanford (uncredited)

Mike Mazurki as Jake Kilrain (uncredited)

Pat McKee as Callahan - Ticket Taker (uncredited)

Wilmuth Merkyl as Headwaiter (uncredited)

Leo White as Headwaiter (uncredited)

Jack Wise as Headwaiter (uncredited)

Frank Moran as Spectator - Sullivan Fight (uncredited)

Pat Moriarity as Spectator - Sullivan Fight (uncredited)

Wedgwood Nowell as Broker (uncredited)

Pat O'Malley as Detective (uncredited)

Lee Phelps as Detective (uncredited)

Emory Parnell as Dennis Simmons (uncredited)

Jack Roper as Donaldson (uncredited)

Syd Saylor as Hansom Cab Driver (uncredited)

Edwin Stanley as Bank President McInnes (uncredited)

Sammy Stein as Joe Choynski (uncredited)

Dan Tobey as Ring Announcer (uncredited)

Charlotte Treadway as Matron (uncredited)

Emmett Vogan as Stage Manager (uncredited)

Charles C. Wilson as Gurney (uncredited)