John Mills

as Chairman

as Lord Chelmsford

as London Carriage Driver

as Old King Norway

as Mitch Evers' Golf Caddy (uncredited)

as Pip

as Father

as Jim Bloggs (voice)

as Platon Karataev

as Montgomery Bell

as Bertram MacDonald

as Gus the Theatre Cat

as Michael

as William Mossop

as Peter Colley as a Young Man

as General Boyd

as Thomas Lindmer

as Sir Henry Bartle Frere

as Captain Anson

as Ordinary Seaman Blake / Shorty Blake

as Inspector Carson

as Gentleman

as Faversham

as Smedley-Taylor

as Cpl Tubby Binns

as Masterman Finsbury

as Lt. Col. Basil Barrow (Battalion Commander)

as Billy Mitchell

as Cambridge

as Pat Reid

as Superintendent Graham

as Sam Morrissey

as Field Marshall Sir Douglas Haig

as Maitland

as General Kitchner

as Scudder

as Captain R.F. Scott R.N.

as Commandant Fraser

as Self – Interviewee

as Cleon Doyle

as Colonel Stuart Valois

as Ezra Fitton

as Pilot Officer Peter Penrose

as Lt. Taylor RN

as Major Harvey

as Self

as Albert Parkis

as Bassett

as Jim Ackland

as Supt. Mike Halloran

as Inspector Franz Bulon

as Lewis Serrocold

as Flt·Lieut. Perry

as De Lacey

as Mike McAllister

as Dr. Howard Latimer

as Lt. Cmdr. Armstrong

as Jim Colter

as Phillip Davidson

as Father Michael Keogh

as Ernest Elton

as Tommy Tyler

as Bernard Quatermass

as Sir Lawrence Dobson

as Mr. Parker

as Brig. Dougal Munro

as George Boswell

as Canning

as Sir Edward Cleghorn

as Dr. John H. Watson / Narrator

as Jim Connor

as Terence Sullivan

as Self

Role: Director

as Alfred Polly

as Jacko Palmer

as Uncle Alfred

as Henry Rossiter

as Lord William Hamilton

as Lt. Col. Clifford Southey

as Sir Philip MacDonald

as Prof. Bernard Quatermass

as Tom Denning

as Puncher Roberts

as John Hampden

as William Wilberforce

as The Moorman (Colonel)

as Albert Brown

as Lord Guilford Dudley

as Self

as Robert Miller

as Jack the Ripper

as Henry Rossiter

as Bobby Jessop

as Tom

as Dapper man

as Dingle

as Self (archive footage)

as Self

as Self

as Young Bill

as Mr Chuffey

as Colonel Bertie Cook

as Barney

as Bernard Quigley

as Thomas "The Elephant" Devon

as Self

as Fred Bolton

as Captain Morgan

as Cpl. Bert Dawson

as Bobby Poskett

as Monsignor Blaise Meredith

as Dundee

as Self

as Self

as Jarvis Lorry

as Ronnie Blake

as Jack

as Self

as Young Enlistee

as Wing Commander Hayes

as Golightly

as Tony Smithers

as Johnnie Penrose

as The Voice

as Self - Narrator

as Praeger

as Self - Commentator

as Self (uncredited)

as Interviewee

as Self (archive)

as Arthur Rosehip

as Albert Collyer

as Self