The Hellfire Club

Keith Michell

Jason Caldwell

Adrienne Corri

Lady Isabel

Peter Cushing

Mr. Merryweather

Peter Arne

Thomas - Earl of Netherden

Kai Fischer

Yvonne

David Lodge

Timothy

Bill Owen

Martin

Miles Malleson

Judge

Martin Stephens

Jason Junior

Andrew Faulds

Lord Netherden

Jean Lodge

Lady Netherden

Skip Martin

Joey

Francis Matthews

Sir Hugh Manning

Desmond Walter-Ellis

Lord Chorley

Denis Shaw

Sir Richard Benlow

Peter Howell

William Pitt - Earl of Chatham

Rupert Osborne

Thomas Junior

Caron Gardner

Specialty Girl (uncredited)

Cornelia Frances

Young Woman (uncredited)

Tony Thawnton

Captain (uncredited)