David McKail

as Fifth Geographer

as Johann Schmidt's Artist

as Minister

as Date's Father (1 episode)

as Frink

as Lord Mayor (1 episode)

as Grumps (1 episode)

as Mr Holland (1 episode)

as Bill Stephens (1 episode)

as Josef Slvanski (1 episode)

as Usher (1 episode)

as Alastair Reid (1 episode)

as Coroner

as Clifford Jennings (1 episode)

as Dr. Fyfe (1 episode)

as Minister

as Mr. Muir (1 episode)

as Dr David McKenzie (20 episodes)

as Macgregor (1 episode)

as Bill Nigh (1 episode)

as Voice Rec for Hilton (voice) (uncredited) (1 episode)

as Dr English

as Robertson (3 episodes)

as Douglas Stewart (4 episodes)

as Consultant