Dr. Andrew Manson (9 episodes, 1960-1961)
Christine Barlow (7 episodes, 1960-1961)
Dr. Philip Denny (6 episodes, 1960-1961)
Con Boland (6 episodes, 1960-1961)
Freddie Foxley (6 episodes, 1960-1961)
Frances Le Roy (5 episodes, 1960-1961)
Dr. Ivory (5 episodes, 1960-1961)
Sir Robert Abbey (5 episodes, 1960-1961)
Dr. Philip Hope (5 episodes, 1960-1961)
Mary Boland (5 episodes, 1960-1961)
Frau Schmidt (4 episodes, 1960-1961)
Mr. Owen (4 episodes, 1960)
Dr. Thoroughgood (3 episodes, 1960-1961)
Joseph Schmidt (3 episodes, 1960-1961)
Florrie (3 episodes, 1960-1961)
Elwyn / Miner (3 episodes, 1960)
Chenkin's henchman / Miner (3 episodes, 1960)
Mr. Chenkin / Ben Chenkin (3 episodes, 1960)
Dr. Llewellyn (3 episodes, 1960)
Nurse Sharp (3 episodes, 1961)
Mrs. Blake (2 episodes, 1960-1961)
Ida Sherington (2 episodes, 1960-1961)
Dr, Urquhart (2 episodes, 1960)
Prof. Challis (2 episodes, 1960)
Mr. Evans (2 episodes, 1960)
Mrs. Boland (2 episodes, 1960)
Neighbour (2 episodes, 1960)
Tom (2 episodes, 1960)
Joseph Le Roy (2 episodes, 1960)
Mrs Blodwen Page (2 episodes, 1960)
Dr. Page (2 episodes, 1960)
Challis's niece / Mrs. Freddie Foxley (2 episodes, 1960)
Terence Boland (2 episodes, 1960)
Mr. Watkins (2 episodes, 1960)
Mrs. Morgan Senior (2 episodes, 1960)
Mr Aneurin Rees (2 episodes, 1960)
Mrs. Roberts (2 episodes, 1961)
Anaesthetist (2 episodes, 1961)
Toppy Le Roy (1 episode, 1960)
Mrs. Williams (1 episode, 1960)
Dr. Bramwell (1 episode, 1960)
Sam (1 episode, 1960)
Assistant (1 episode, 1960)
Mr. Morgan (1 episode, 1960)
Patient (1 episode, 1960)
Mrs. Vaughan (1 episode, 1960)
Mrs. Watkins (1 episode, 1960)
1st Lady (1 episode, 1960)
3rd Lady (1 episode, 1960)
Mr. Deedman (1 episode, 1960)
Mr. Williams (1 episode, 1960)
PC Struthers (1 episode, 1960)
Miss Cramb (1 episode, 1960)
Sir William Dewar (1 episode, 1960)
Dr. Edwards (1 episode, 1960)
2nd Lady (1 episode, 1960)
Mr. Griffiths (1 episode, 1960)
Mrs. Ivory (1 episode, 1960)
Mrs. Morgan (1 episode, 1960)
Sir Dudley Rumbold-Blane (1 episode, 1960)
Rosa Keane (1 episode, 1960)
Telephone operator (1 episode, 1960)
Gwillim (1 episode, 1960)
Dr. Gadsby (1 episode, 1960)
Salesman (1 episode, 1960)
Miner (1 episode, 1960)
Midwife (1 episode, 1960)
Second henchman (1 episode, 1960)
Mrs. Bramwell (1 episode, 1960)
Mine manager (1 episode, 1960)
Mrs. Deedman (1 episode, 1960)
Mr. Hopper (1 episode, 1961)
Mr. Boon (1 episode, 1961)
Dr. Stillman (1 episode, 1961)
Sir Jenner Halliday (1 episode, 1961)
Dai Thomas (1 episode, 1961)
Policeman (1 episode, 1961)
Patient (1 episode, 1961)
Nurse Trent (1 episode, 1961)