John Fraser

as Inspector Wilcox

as Kramenin

as Whittington

as The Monitor

as Dr. 'Peter' Crippen

as Lieutenant Commander 'Monty' Morgan

as Colonel Stone

as Hugo Hoffman

as Bruce

as Leonard

as Peter Matty

as Peter Matty

as Tony

as Inquisitor

as Ross Evans

as Harker Brayton

as Dixon Druce

as O'Keefe

as Gawm

as Padraic Pearse, English Tommy

as John Wilkes

as Alasdair

as Derek Wilson

as Roger

as Alasdair

as Det. Sgt. Gawn

as Teddy Weeks

as Nicky Loach

as Dr. Miles Grimsdyke

as Dunning

as Lord Carfax

as Colin

as Flight Lt. Kenny

as Lysander

as The Monitor

as Alexander Hamilton

as Armand

as Richard Poole

as Lt. Robert Finch

as Dorian Gray

as Prince Alfonso

as David Lawford

as Christopher Trevenyan

as The Hon Douglas Wainwright

as Cpl. Piper Ian Fraser

as Lord Alfred Douglas

as Charles

as Peter Munroe

as Inigo Jollifant

as Richard Kenyon

as Flight Lieutenant J. V. Hopgood, D.F.C.

as Drago (segment: I Cavalieri dell'illusione)

as David Lawford

as Johnny Lipson

as Cliff Lloyd

as Artillery Man (uncredited)

as Tom Giddings

as Alexander Hamilton

as Lieutenant Michael Wainwright, RN

as Troilus