Katherine Goodrich

饰：Lady Holstead

Helen Holmes

饰：Helen

保罗·赫斯特

Paul Hurst

饰：Paul - the Brains of the I.D.B.

Thomas G. Lingham

饰：Sir Thomas Holstead

Leo D. Maloney

Leo D. Maloney

饰：Inspector Hudson - Secret Service

William Brunton

饰：Hon. Fortesque Holstead,(as William G. Brunton)