A Matter of WHO: Reparto

Terry-Thomas
Archibald Bannister

Sonja Ziemann
Michele Cooper

Alex Nicol
Edward Kennedy

Richard Briers
Jamieson

Honor Blackman
Sister Sheila Bryan

Guy Deghy
Nick Ivanovitch

Carol White
Beryl

Clive Morton
Hatfield

Geoffrey Keen
Foster

Martin Benson
Rahman

Eduard Linkers
Linkers

Vincent Ball
Dr. Blake

Michael Ripper
Yacht Skipper
Cyril Wheeler
Stephen Cooper

Andrew Faulds
Ralph
George Cormack
Henry
Bruce Beeby
Capt. Brook

Julie Alexander
Stewardess
Meekah
The Chimp

Barbara Hicks
Margery (uncredited)

Jacqueline Jones
Miss Forsythe (uncredited)
Hyma Beckley
Party Guest (uncredited)

Roland Brand
US Sergeant (uncredited)
Claire Collins
Blonde Girl (uncredited)
Victor Harrington
Airline Passenger (uncredited)
Chulam Mohammed
Attaché (uncredited)
Gwenda Ewen
(uncredited)
Pat Roberts
(uncredited)