Leonard Nimoy is "Kid" Monk Baroni, the leader of a street gang who becomes a professional boxer to escape his life in "Little Italy" New York.

Leonard Nimoy
as Paul 'Monk' Baroni

Richard Rober
as Father Callahan

Mona Knox
as June Travers

Bruce Cabot
as Mr. Hellman

Allene Roberts
as Emily Brooks

Budd Jaxon
as Knuckles

Archer MacDonald
as Pete

Kathleen Freeman
as Maria Baroni

Jack Larson
as Angelo

Joseph Mell
as Gino Baroni (as Joe Mell)