Characters played by Stanley Unwin
Father Stanley Unwin
Father Unwin
Characters played by Gary Files
Matthew Harding
Pilot
2nd Technician (Port Trennick)
3rd Native
Air Traffic Assistant
Albert Hobson
Attendant
Brother Jess
Brother Simon
Captain
Captain Mitchell
Car Enthusiast
Carl
Charlie
Co-Pilot
Dr. E.H. Klam
Fifth Brother
Forrester
French General
Green
Guard
Kalin
Kroner
Manservant
McGrath
Operator
Pete
Prince of Muldovia
Sergeant Walsh
Skipper
Spiker
Characters played by Jeremy Wilkin
The Bishop
Patterson
1st Technician (North Africa)
1st Technician (Port Trennick)
2nd Guard
2nd Native
2nd Technician (Burgossa)
Achmed
Brother Gregory
Calow
Colonel Blair
Controller
Doctor Hawthorn
Eastman
George Grey
Guard
Healey Automation Guard
Joe's Father
John Masden
Kromer
Master
Minister
Mullins
Officer
Operator
Pete Mackintosh
Pilot (Mercenary 1)
Policeman
Tom Williams
Characters played by Sylvia Anderson
Mrs. Appleby
Anne Soames
Jackie
Telephone Voice
Characters played by David Healy
1st Technician (Burgossa)
2nd Technician (North Africa)
4th Technician (Port Trennick)
Dr Groot
Dreisenberg Ambassador
Mark Slater
Nielson
Nurse
Sakov
Shaw
Characters played by Keith Alexander
Agent Blake
Agent
Saunders
1st Guard
1st Native
3rd Technician (Port Trennick)
Ambassador's Aide
Archdeacon
Assassin
Blake
Brooks
Brother Thomas
Burrows
Captain
Commentator
Dave Marden
Doctor
General
General Brompton
Hartley
Joe
Lady Martha Hazlewell
London Tower Controller
Officer
Operator
Professor Graham
Professor Soames
Reed
Signalman
Sir Humphrey Burton
Characters played by David Graham
Air Traffic Controller
King of Muldovia
Lord Edward Hazlewell