Geoffrey Wincott

as Bank Manager (uncredited)

as Chemist

as Santa Cruz (1 episode)

as Geoff

as Dr Osborne (1 episode)

as Elderberry (2 episodes)

as Mr. Quinton (1 episode)

as Elderberry (2 episodes)

as Walter Gardiner (1 episode)

as Dr. Casper

as The Parasite