Tommy McCoy grew up poor and scrappy. As a young man he discovers that he can fight with his powerful right arm. He becomes successful at boxing, however he has an alcoholic father.
Mickey Rooney
as Tommy McCoy / Killer McCoy
Brian Donlevy
as Jim Caighn
Ann Blyth
as Sheila Carrson
James Dunn
as Brian McCoy
Tom Tully
as Cecil Y. Walsh
Sam Levene
as Happy
Walter Sande
as Bill Thorne
Mickey Knox
as Johnny Martin
James Bell
as Father Patrick Ryan
Gloria Holden
as Mrs. Laura McCoy
Bob Steele
as Sailor Graves
Frank Mayo
as Man at Bar (uncredited)
