Glyn Houston

as Grewgious

as Ronald Judge (1 episode)

as Bernard Ingham

as Aneurin Morgan

as Albert Griggs (6 episodes)

as William Brain

as Old Jack

as Old Jack (1 episode)

as Clifford (1 episode)

as George Craven (1 episode)

as Professor Meynert (3 episodes)

as Colonel Ben Wolsey

as Ticket Collector

as Peters

as C.S. Bert Sinclair (6 episodes)

as Harry (1 episode)

as Major Ross Hansford (1 episode)

as John Rudd (12 episodes)

as Mostyn Price (1 episode)

as Cesar Rodriguez

as Police Sgt. Collins (1 episode)

as Sidney Stewart

as Professor Watson