Lord Montrose
Sir Thomas Asbury
Col. Benson
Col. Bruce Evans
Inspector McIver
Mr. Cherrington
'Major' George Alfred Beach (uncredited)
Robert Lansing, Secretary of State
Robert (uncredited)
Commanding Officer
Inspector Robbins
Director
Sir Stafford Hart
Father of the Bride (uncredited)
Commissioner
Colonel Tubbs-Brown
Captain James P. Hollister
The Colonel
Sir Guy Lockhead
Director
Director
Director
Dialogue Coach
Dialogue Coach
Assistant Director
Jerry Hawkes
Dickie Hook