as Self - Interviewee

as Isa Whitney

as Malvern

as Wise Martian

as Anonymous Man

as Commodore (Intelligence)

as Private Miles Heywood / Ted York (archive footage)

as Commander East

as Patrick Hawkes

as Jonathan Westering, MI5

as Martin Lord

as Montgomery Infield-Hopping

as Vernon

as Mark Robert Kingston

as Air Gunner

as George Neville

as Spencer

as Herbert Hall

as Ted York

as Drusus

as Mr. Gordon

as Private Miles Haywood

as Alan Thompson

as Lt Bailey

as Sir Waldermar

as Sir Frederick Venner

as George

as Freddy Waters

as Patroclus

as John Wyndham

as Larry

as Barney

as Secretary

as Fighter Pilot

as A.P.O. at Customs Launch

as Dr. Buchanan

as Alan Whitcomb

as Falk, Pimpernel Pilot

as Admiral Browning