as Gaston Monescu

as Mr. Charles Tremayne

as Sir Wilfrid Lucas

as Insp. Charas

as Sir John Menier

as William, Earl of Mackworth

as Scott Chavez

as Stephen Fisher

as Charles Manning

as Traybin

as Willard I. Whitcombe

as Edward 'Ned' Faraday

as (archive footage)

as E.J. Stanton

as Insp. Mackenzie

as Col. Armytage

as The Prime Minister

as Lord Leicester

as Archibald Craven

as Stephen Collins

as Major John Hillgrove

as Curate in Air Raid Shelter

as Arnold Ainger

as Horace Giddens

as Miles Rushworth

as Richard Todd

as Dr. Charles Evans

as Sir Frederick Barker

as Dr. Van Ness

as Doctor Sporum

as Robert Crosbie

as Dr Jameson

as Walter Fane

as Jonathan Blair

as Rogers Woodruff

as Henry Addison

as W. Somerset Maugham

as Geoffrey Wolfe

as Dr. Jubal Harrington

as Dr. Donald L. Stanton / Narrator

as Gray Meredith

as Thomas Lane

as Oliver Lane

as Jim Buchanan

as Robert Harley Hedges

as Austin Parsons

as Christopher 'Chris' Drew

as Geoffrey Hammond

as Paul Turner

as Jim Howard

as Prof. Michael Kingsley

as Dr. Stephen Dominik

as Lord Danforth

as Stephan

as Napier

as Lord Philip Rexford

as Count Franz von Degenthal

as Steven Gaye

as Alan Barclay

as Dufresne

as Sen. John Coleridge

as Self

as Dr. Gordon Phillips

as Dr. Michael J. Talbot

as Gerald Shannon

as Stephen Holland

as John Davis

as Dr. James Curtis

as Gov. Oliver P. Thornwall

as Dr. Standish

as Gerry Anson

as Waverly Ango

as Michael Rowe

as Self (archive footage)

as (archive footage)

as Harry