Martin Wenner

as Sir Shenton Thomas (4 episodes)

as Matts

as Highways Authority Officer

as Professor Paul Berglund (2 episodes)

as Gerry Turner

as Jorn

as Toby

as Charlie Polson (1 episode)

as David Marsh

as Robin Lawson (1 episode)

as Philips

as Danny

as Edward Bergman (7 episodes)

as Young Doctor

as Emile L'Angelier (1 episode)

as Scientist - Whitehall

as Gavin

as Peter Vickery (6 episodes)

as Herbert Chudley (1 episode)

as Anton Skrebensky (3 episodes)

as Gavin (1 episode)

as Eccentric Student (1 episode)

as Batsman 1

as The Simple Man