Dynamite

William Gargan

"Gunner" Peterson

Richard Crane

Johnny Brown

Virginia Welles

Mary

Irving Bacon

Jake

Douglass Dumbrille

Hank Gibbons

Mary Newton

Nellie Brown

Frank Ferguson

"Hard Rock" Mason

Phil Arnold

Photographer (uncredited)

Paul Bryar

Christmas Party Guest (uncredited)

Lane Chandler

Aggressive Motorist (uncredited)

Bill Kennedy

Construction Worker (uncredited)

Ralph Montgomery

Christmas Party Guest (uncredited)

Keith Richards

Danbury (uncredited)

Jason Robards Sr.

Hook (Quarry Superintendent) (uncredited)