Peter Cushing

Dr. Namaroff

Christopher Lee

Prof. Karl Meister

Richard Pasco

Paul Heitz

Barbara Shelley

Carla Hoffman

Michael Goodliffe

Professor Jules Heitz

Patrick Troughton

Inspector Kanof

Joseph O'Conor

Coroner

Prudence Hyman

The Gorgon

Jack Watson

Ratoff

Jeremy Longhurst

Bruno Heitz

Toni Gilpin

Sascha Cass

Alister Williamson

Janus Cass