Leo G. Carroll

Kruger, #117 aka Bertram Church (uncredited)

Father Fitzgibbon

Bertil Jacobsson

Major Downey

Le Professeur, The Professor

Professor (archive footage) (uncredited)

Mr. Mums

Raoul Dondel

Sen. Morton

Bellingham, Very Rev. Thomas Canon Skerritt

Duncan, Professor White, Father Moynihan

Sir Joseph

Matt Goodgroome

Col. Hammersohn

Dr. Baker

Lord Hastings

Joseph

Burns (uncredited)