James Whitmore as Ben Wagner

Sal Mineo as Angelo 'Baby' Gioia

John Cassavetes as Frankie Dane

Mark Rydell as Lou Macklin

Virginia Gregg as Mrs. Dane

Peter J. Votrian as Richie Dane (as Peter Votrian)

Will Kuluva as Mr. Gioia

Malcolm Atterbury as Mr. McAllister

Denise Alexander as Maria Gioia

Dan Terranova as Blockbuster

Steve Rowland as Glasses

Duke Mitchell as Herky

Peter Miller as The Fighter