Ian Hunter

as Self (archive footage) (uncredited)

as Robert Talbot

as Robert Talbot

as Dr. Swann

as Colonel Jackson

as Dr. Robert Blood, Peter's Father

as Admiral Sir Bryanston Blyth

as Self - Host

as Mallowby

as Sir John Wyndham

as Air Commodore Watchorn

as Clive Fisher

as Captain Woodhouse - H.M.S. Ajax

as Sir Malcolm Saville

as Henry Redmond

as Sir Richard of the Lea

as Geoffrey Tanner

as Sir George Redway

as Logan

as Arthur Turner

as Doctor Larry Woodhope

as Philip Templar

as Anton

as Charlie Carrington

as Tom Peabody

as Dexter Pomfret

as Roger Carlton

as Spy (uncredited)

as Reverend Owen Harding

as Dr. John Lanyon

as Eric Keating

as Geoffrey Collis

as Steven V. Land

as Barton Kendrick

as Smitty

as Natural Davis

as Lord Shayne

as Gordon Daly

as Cambreau

as Bert C. Matthews

as King Edward IV

as Jim Creighton (Sentinel editor)

as Clifford 'Cliff' Ames

as Austin Lancing

as Larry Bryant

as Captain Crewe

as Lewis Murray

as Lloyd Rogers (archive footage) (uncredited)

as Bert Ballin

as William Benson

as Peter 'Pete' Snowden

as Phillip Marshall

as King Richard the Lion-Heart

as Self

as Rufus Rondell

as Lloyd Rogers

as Leonide Kirow

as Colonel John Wister

as Roger Hilton

as Anthony Wayne

as Jay Pierce

as Bill Hallam

as Fuller

as Theseus (archive footage) (uncredited)

as Keith Lockridge

as Theseus

as Renny Whiteoaks

as Jim Pearce

as Sir Reginald Ford

as Geoffrey D. 'Geoff' Sherwood

as Sir Marcus Ordeyne

as Peter Middleton

as Johnathan Steele

as Jim Brandon

as Detective Inspector Gregory

as Guy Kennion

as Capt Watts-Wynyard

as Capt. Harper

as Fergus Wimbush

as Robert Hart

as Dr. John Watson

as Fred Green

as George Miles

as Gordon Kingsley

as William Brown, the Plainclothesman

as Andrew McLeod

as Allen Stockbridge

as Alexander Winston

as The Plaintiff's Counsel

as Hilary Jesson

as Archie

as Bob Corby

as Charles Oddy

as Martin Bering