Ronny Cox
(Bob Steele)
Billie Whitelaw
(Louise)
Glynis Barber
(Beth)
Ronald Lacey
(Wedderburn)
Oscar Quitak
(Velatti)
Jack Watson
(Donovan)
Ronald Fraser
(Jenkins)
Connie Mason
(Marsha)
David Collings
(Major Greville)
Benjamin Feitelson
(Fisher)
Peter Arne
(Malen)
Nicholas Donnelly
(Major Crawley)
Royston Tickner
(Ted)
Jesse Birdsall
(Naval Rating)
Ian Collier
(Police Sergeant)
Rose Power
(Mrs Martin)
Peter Aldwyn
(Intelligence Officer)
Ridgewell Hawkes
(MIlitary Police)
Michael Chesden
(Receptionist)