Jack Dempsey

Tiger Jack O'Day

Esther Ralston

Holly Malloy

Hayden Stevenson

Society Sullivan

Edgar Kennedy

Charles Reisner

Chuck - Opposition Manager

George Ovey

Ed Martin - Manager / Sparring Partner

Carmelita Geraghty

Waitress in Boarding House

Kate Price

Beatrice Burnham

Virginia Lee Corbin

Gertrude Astor

James O. Barrows

Ethel Shannon

Malvina Polo

Frank Hagney

Spike McGann - Prizefighting Opponent

Otto Lederer

Gladys Varden

Pat Harmon

Margaret Quimby

Queenie Millard

Louise Carver

Cathleen Calhoun

Teddy Hayes

Prizefighting Opponent

Florence Lee

Police Commisioner's Daughter

Ed Hubbell

Little Boy (uncredited)