Générique complet
Secret Service
Robert Warwick
Major Lewis K. Dumont
Wanda Hawley
Edith Varney
Theodore Roberts
General Harrison Randolph
Edythe Chapman
Mrs. Varney
Raymond Hatton
Lieutenant Howard Varney
Casson Ferguson
Wilfred Varney
Robert Cain
Captain Henry Dumont
Irving Cummings
Benton Arrelsford
Guy Oliver
Jonas
Lillian Leighton
Martha
Stanhope Wheatcroft
Lieutenant Maxwell (as Stanley Wheatcroft)
Norman Selby
Lieutenant Foray
Shirley Mason
Caroline Mitford
