| | | | | | Series Cast Summary (12 of 38) (View more cast) | Episode Count | Year Range | STARmeter™ |  | Eric Lander ... Dr. Andrew Manson | 9 | (1960-1961) | 125,770 |  | Zena Walker ... Christine Barlow | 7 | (1960-1961) | 49,090 |  | Jack May ... Dr. Philip Denny | 6 | (1960-1961) | 71,784 |  | Noel Harrison ... Freddie Foxley | 6 | (1960-1961) | 29,538 |  | Barry Keegan ... Con Boland | 6 | (1960-1961) | 239,135 | 
| Elizabeth Shepherd ... Frances Le Roy | 5 | (1960-1961) | 17,379 |  | Richard Vernon ... Dr. Ivory | 5 | (1960-1961) | 27,830 |  | Richard Carpenter ... Dr. Philip Hope | 5 | (1960-1961) | 70,972 |  | Fiona Duncan ... Mary Boland | 5 | (1960-1961) | 175,769 |  | John Laurie ... Sir Robert Abbey | 5 | (1960-1961) | 17,103 |  | Lily Kann ... Frau Schmidt | 4 | (1960-1961) | 194,992 |  | John Glyn-Jones ... Mr. Owen | 4 | (1960) | 103,741 | View more cast |
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