William Henry

Agent Phil Sherrin

Pamela Blake

Mrs. Judith Palmer

Robert Shayne

Chief Agent Charles Stuart

Lyle Talbot

Agent Johnson

Movita

Lolita Martinez / Montez (as Movita Castaneda)

Joe Turkel

Jack 'Sneeze' Norton

Lori Talbott

Betty Herbert - elevator operator

John Laurenz

Rodriguez - Mexican Agent

Ben Moselle

Mack

George Eldredge

Wade Brandon

Dennis Moore

Harry

Noel Cravat

Rocky

Paul Hoffman

George Hodge - garage 'front man'

Bill Edwards

Agent George Palmer

William F. Leicester

Frankie Lanessi

William Bailey

Man in Elevator (uncredited)

Myron Healey

The Tracking Device Specialist (uncredited)