Anthony Steel

as Tristram Guise

as Lintom Busotsky, Film Producer

as Sir Derek Ridgeley ("Murder at Midnight")

as Conrad

as Supt. Jeff Hawks

as Moncrieff Dovecraft

as Richard Butler

as Robert

as Sir Stephen

as Mr. Burton

as SS-Sturmbannführer Domizlaf

as Col. James Steele

as Sir Robert Gunningham

as Maurice Pouliard

as Gen. Marsh

as Arthur Baker

as Major Morton

as The Professor ("Fata Marta")

as Michael 'Mike' Astor

as Bud Forester

as Bill Craddock

as John Crighton

as William Scott

as Director General • 1 eps

as Earl Godwin • 2 eps

as Harker Le Fevre • 1 eps

as The Stranger • 1 eps

as Max Boothroyd • 1 eps

as Sir Harry Adams • 1 eps

as Sir Charles Milvern • 1 eps

as Mr. Burton • 1 eps

as Adam Ferris • 1 eps

as Geoffrey Underwood • 1 eps

as Carlsson • 3 eps

as Charles Remley • 1 eps

as Self - Guest • 1 eps