Dr. Roger Kenyon (6 episodes, 1960)
Isobel Gilmour (6 episodes, 1960)
Alison Campbell (6 episodes, 1960)
General Campbell (6 episodes, 1960)
Major Johnny Brookman (5 episodes, 1960)
Reverend Murdo Aitcheson (5 episodes, 1960)
Beattie (4 episodes, 1960)
Peake-Harmon (4 episodes, 1960)
Ferguson (4 episodes, 1960)
Gwilliam (4 episodes, 1960)
Jackson / Burglar (4 episodes, 1960)
Struan MacDonald (4 episodes, 1960)
Caldwell (3 episodes, 1960)
Jessie (3 episodes, 1960)
First Police Constable / Police Constable (2 episodes, 1960)
Middle-aged woman / Woman in street (2 episodes, 1960)
Second Police Constable (1 episode, 1960)
Secretary (1 episode, 1960)
Landlady (1 episode, 1960)
Charwoman (1 episode, 1960)