Jack Holt

Character: G-Man Martin Galloway, posing as Bill Donovan

Wynne Gibson

Character: Alice Segar, posing as Mrs. Donovan

C. Henry Gordon

Character: Kilgour

Jack La Rue

Character: Fred Drake

Edward Brophy

Character: Lefty

William Pawley

Character: Harry Grady

Arthur Hohl

Character: Henchman Blackie

Robert Emmett O'Connor

Character: Federal Agent Jim

William Bakewell

Character: Dick Withers

Eleanor Stewart

Character: Nancy Higbee

Charles Lane

Character: Fingers

Frank Darien

Character: Dad Higbee

Lucien Prival

Character: Franzy

Richard Tucker

Character: Agency Chief Conover

George Cleveland

Character: Miner

Wallis Clark

Character: Federal Agent

Hal Taliaferro

Character: Federal Agent