High Treason

Liam Redmond

Cmdr. Robert Brennan

Acting

André Morell

Supt. Folland

Acting

Kenneth Griffith

Jimmy Ellis

Acting

Anthony Bushell

Maj. Elliott

Acting

Mary Morris

Anna Braun

Acting

Joan Hickson

Mrs. Ellis

Acting

Anthony Nicholls

Grant Mansfield

Acting

Geoffrey Keen

Morgan Williams

Acting

John Bailey

Stringer

Acting

Patric Doonan

George Ellis

Acting

Dora Bryan

Mrs. Bowers

Acting

John Harvey

Scotland Yard Man

Acting

Charles Lloyd Pack

Percy Ward

Acting

Laurence Naismith

Reginald Gordon-Wells

Acting

Jack McNaughton

Benson - Scotland Yard man

Acting

Julian Amyes

Slater

Directing

Alfie Bass

Albert Brewer (uncredited)

Acting

Harry Fowler

Street photographer (uncredited)

Acting

Everley Gregg

Mrs Finch-Harvey - Music Club member (uncredited)

Acting

Glyn Houston

Railway shunter (uncredited)

Acting

Douglas Ives

Mr Mathews - Union Rep (uncredited)

Acting

Moultrie Kelsall

Ship's Captain (uncredited)

Acting

Sam Kydd

Sam - Printer (uncredited)

Acting

Victor Maddern

Anarchist (uncredited)

Acting

Julien Mitchell

Mr Philips - Union Rep (uncredited)

Acting

Julian Somers

Scottish Police Sergeant (uncredited)

Acting

Marianne Stone

Alfie's Mother (uncredited)

Acting

Lockwood West

Home Secretary (uncredited)

Acting

Bruce Seton

(uncredited)

Acting

Howard Lang

Policeman Discovering Jimmy's Body (uncredited)

Acting

Jean Anderson

Woman in street (uncredited)

Acting

Peter Jones

Announcer at Music Club (uncredited)

Acting

Howard Lang

Policeman (uncredited)

Acting

Harry Locke

Andy - Telephone engineer (uncredited)

Acting

Richard Massingham

Music Society member (uncredited)

Directing

Dandy Nichols

Woman scrubbing porch step (uncredited)

Acting

Michael Ward

Music Club member (uncredited)

Acting

Ian Wilson

Glass collector (uncredited)

Acting