Writing Credits (in alphabetical order)
Ivor Barry | ... | (teleplay) |
Jules Romains | ... | (play) |
Cast (in credits order)
Barry Morse | ... | Dr. Knock | |
Rest of cast listed alphabetically: | |||
Barbara Armitage | |||
John Ashley | |||
William Bell | |||
William Glover | ... | (as Bill Glover) | |
Derek Johnson | |||
Louise Nicol | |||
Aino Pirskanen | |||
Norma Renault | |||
Ruth Springford | |||
Drew Thompson | |||
Tony Van Bridge |