as Sir Ralph Skelton
as Duncan
as Grigory Orlov
as Michael Cornforth
as Police Inspector Gunter (as Griffiths Jones)
as Jeff Martin
as Narcy
as Sir Humphrey Maltravers
as Robert Ainsworth
as Rapson
as Father De Gruyte
as Capt. Bill Hamilton
as David MacIver
as Dr. Paul Martin
as Sandy Duncan
