Antony Webb

as Jimmy Donaldson (2 episodes)

as Dr. Rimmer

as Dr Rimmer (1 episode)

as Nesselrode (1 episode)

as Willie Lotinga (1 episode)

as Dr. Henderson

as Constant Dufour (1 episode)

as Risbury-Jones (1 episode), as Stage Manager (1 episode)

as Dr. Henderson (2 episodes)