Michael Petrovitch
— Patrick Armstrong
Philip Latham
— Ferdy Foxwell
Don Fellows
— Colonel Schlegel
Michael Gwynn
— Dawlish
Tessa Wyatt
— Sara Shaw
Derren Nesbitt
— Colonel Stok
Nicholas Parsons
— Ben Toliver
Bernard Kay
— Commander Wheeler
John Forgeham
— Security Guard
Stewart Bevan
— Sylvester
Toby Robins
— Helen Schlegel
Nigel Plaskitt
— Mason
Ciaran Madden
— Marjorie
Paul Maxwell
— Submarine Captain
Michael Knowles
— Milkman