Dr. Ian Stones

Inspector Lewis Reed

Broadway Actor

Algernon (uncredited)

Welsh Policeman

Man in Cafe

Businessman

Freddie Locke

Scientist #2

Lance Boyle ("See You Next Wednesday" Cast)

Jock (uncredited)

Banquet Guest

Commander Albert Albermarle

Ministery Worker (uncredited)

Richard Darlington QC

Scientist #3

Sir Edward (uncredited)

Susan's boyfriend (uncredited)