The Saint's Double Trouble

Thomas W. Ross

Professor Horatio T. Bitts

Elliott Sullivan

Monk 'Warren'

Stanley Blystone

Detective Sadler (uncredited)

Ralph Dunn

Police Sergeant (uncredited)

Byron Foulger

Ephraim Byrd (uncredited)

Billy Franey

Street Shooting Witness (uncredited)

Edward Gargan

Police Sergeant (uncredited)

William Haade

Helm Van Roon aka 'The Dutchman' (uncredited)

Donald Kerr

Card Player (uncredited)

Pat McKee

Card Player (uncredited)

Lal Chand Mehra

Cairo Express Office Clerk (uncredited)

Walter Miller

Mac (uncredited)

Pat O'Malley

Express Man (uncredited)

Jack O'Shea

Spectator on Street (uncredited)