Dr. Namaroff

Peter Cushing

Acting

Prof. Karl Meister

Christopher Lee

Acting

Paul Heitz

Richard Pasco

Acting

Carla Hoffman

Barbara Shelley

Acting

Professor Jules Heitz

Michael Goodliffe

Acting

Inspector Kanof

Patrick Troughton

Acting

Coroner

Joseph O'Conor

Acting

The Gorgon

Prudence Hyman

Acting

Ratoff

Jack Watson

Acting

Bruno Heitz

Jeremy Longhurst

Acting

Sascha Cass

Toni Gilpin

Acting

Janus Cass

Alister Williamson

Acting

Martha

Joyce Hemson

Acting

Hans

Redmond Phillips

Acting

Constable

Michael Peake

Acting

Nurse

Sally Nesbitt

Acting

Constable

Fred Haggerty

Acting