Herbert Lom as The Phantom (Prof. L. Petrie)

Heather Sears as Christine Charles

Edward de Souza as Harry Hunter

Thorley Walters as Lattimer

Michael Gough as Lord Ambrose d'Arcy

Harold Goodwin as Bill

Martin Miller as Rossi

Liane Aukin as Maria

Sonya Cordeau as Yvonne

Marne Maitland as Xavier

Miriam Karlin as Charwoman

Patrick Troughton as The Rat Catcher

Renée Houston as Mrs. Tucker

Michael Ripper as 1st Cabby

Miles Malleson as 2nd Cabby

Ian Wilson as The Dwarf

John Harvey as Sgt. Vickers

Keith Pyott as Weaver