James Whitmore

Ben Wagner

Sal Mineo

Angelo 'Baby' Gioia

John Cassavetes

Frankie Dane

Mark Rydell

Lou Macklin

Virginia Gregg

Mrs. Dane

Peter J. Votrian

Richie Dane (as Peter Votrian)

Will Kuluva

Mr. Gioia

Malcolm Atterbury

Mr. McAllister

Denise Alexander

Maria Gioia