The good doctor is on trial before the British Medical Association Council, if he is found guilty, he will no longer be allowed to practice medicine. The story unfolds through flashbacks which depict his career and his subsequent downfall.
| Actor | Role |
|---|---|
 Ann BlythChristine Barlow | Christine Barlow |
 Lloyd BochnerFreddie Parker | Freddie Parker |
 James DonaldDr. Andrew Manson | Dr. Andrew Manson |
 Hugh GriffithPhilip Denny | Philip Denny |
 Torin ThatcherSir Robert Abbey | Sir Robert Abbey |
 Larry GatesNot listed | Not listed |
 Carroll O'ConnorNot listed | Not listed |
 Liam RedmondNot listed | Not listed |
 George RoseNot listed | Not listed |
 Joan WhiteMrs. Page | Mrs. Page |