Series Cast 89

1. John Paul

   Dr Spencer Quist (40 Episodes)

2. Joby Blanshard

   Colin Bradley (40 Episodes)

3. 

   Simon Oates

   Dr. John Ridge (40 Episodes)

4. Vivien Sherrard

   Barbara Mason (40 Episodes)

5. 

   Robert Powell

   Tobias Wren (40 Episodes)

6. John Nolan

   Geoff Hardcastle (40 Episodes)

7. 

   John Barron

   The Minister (16 Episodes)

8. 

   Michael Elwyn

   Richard Duncan (7 Episodes)

9. 

   John Lee

   Captain - Second Airline Crew (2 Episodes)

10. 

    Robert James

    Barker (2 Episodes)

11. 

    Hamilton Dyce

    Minister (2 Episodes)

12. 

    Margaret John

    Mrs. Joan Simpson (2 Episodes)

13. 

    Geoffrey Palmer

    Major Sims (2 Episodes)

14. Talfryn Thomas

    Mr. Hetherington (2 Episodes)

15. 

    John Savident

    The Minister (2 Episodes)

16. 

    Morris Perry

    Prof. Alec Hetherington (1 Episode)

17. 

    Bruce Purchase

    Norman Sylvester (1 Episode)

18. 

    Emrys Jones

    Colonel Archibald Smithson (1 Episode)

19. 

    Leslie Schofield

    Harry (1 Episode)

20. 

    Cec Linder

    Sen. Connell (1 Episode)

21. 

    Katherine Kath

    Lady Janette Holroyd (1 Episode)

22. 

    Jonathan Pryce

    Police Constable (1 Episode)

23. 

    Desmond Llewelyn

    Thompson (1 Episode)

24. 

    Michael Keating

    Stephen Grigg (1 Episode)

25. 

    June Brown

    Kit Pedler (1 Episode)

26. 

    Kevin Stoney

    Prof. Hal Symonds (1 Episode)

27. 

    Jennifer Daniel

    Dana Colley (1 Episode)

28. 

    William Lucas

    Benjamin Fielding (1 Episode)

29. 

    Olaf Pooley

    Dr. Ensor (1 Episode)

30. 

    Joseph Fürst

    Dr. Charles Goldsworthy (1 Episode)

31. 

    Maurice Roëves

    Peter Shipton (1 Episode)

32. 

    Erik Chitty

    Old Man (1 Episode)

33. 

    George Baker

    John Mitchell (1 Episode)

34. 

    Peter Copley

    Admiral Sir Richard Tranton (1 Episode)

35. 

    Michael Ripper

    Tom Reid (1 Episode)

36. 

    Ray Brooks

    Geoff Harker (1 Episode)

37. 

    Shelagh Fraser

    Joan Prentice (1 Episode)

38. Freda Dowie

    Hilda (1 Episode)

39. 

    Edward Underdown

    Chairman of Tribunal (1 Episode)

40. 

    Patrick Godfrey

    Grant (1 Episode)

41. 

    James Maxwell

    Dr. Whittaker (1 Episode)

42. 

    Patrick Troughton

    Lyon McArthur (1 Episode)

43. Noel Johnson

    Priestland (1 Episode)

44. 

    Judith Furse

    Mary Lincoln (1 Episode)

45. 

    Trevor Bannister

    Dr. Anthony Lewis (1 Episode)

46. Peter Welch

    Tom Hedley (1 Episode)

47. Jay Neill

    Laing (1 Episode)

48. 

    Nicholas Courtney

    Phillip (1 Episode)

49. 

    Brian Wilde

    Prof. Fairbairn (1 Episode)

50. 

    Paul Eddington

    Reynolds (1 Episode)

51. 

    Richard Hurndall

    Dr Robert Whitehead (1 Episode)

52. 

    Michael Aspel

    BBC Man Houston (1 Episode)

53. William Fox

    Scott (1 Episode)

54. 

    Patricia Maynard

    Miss Sephton (1 Episode)

55. 

    Glyn Owen

    'Griff' Griffiths (1 Episode)

56. 

    Colin Jeavons

    Botting (1 Episode)

57. 

    George A. Cooper

    Thomas Prentice (1 Episode)

58. 

    Anthony Ainley

    Senior House Officer (1 Episode)

59. Frederick Hall

    Dennis Pritchard (1 Episode)

60. 

    Glyn Houston

    Gerald Marlowe (1 Episode)

61. 

    Frederick Jaeger

    Richard Massingham (1 Episode)

62. 

    Elisabeth Sladen

    Sarah Collins (1 Episode)

63. 

    Philip Bond

    Inspector Drew (1 Episode)

64. 

    Peter Hawkins

    Computer (voice) (1 Episode)

65. 

    Christopher Chittell

    Dick Burns (1 Episode)

66. 

    Aubrey Richards

    Bernard Colley (1 Episode)

67. 

    George Waring

    Busby (1 Episode)

68. 

    Michael Culver

    Minister's PPS (1 Episode)

69. 

    John Quarmby

    PM's Secretary (1 Episode)

70. Paul Seed

    Michael Pratt (1 Episode)

71. 

    Bernard Horsfall

    Steven Granger (1 Episode)

72. Edward Kelsey

    Captain Tommy Gort (1 Episode)

73. 

    George Pravda

    Prof. Miklos Egri (1 Episode)

74. 

    Nigel Stock

    Commander Charles Keeping (1 Episode)

75. 

    Rhoda Lewis

    Mrs. Freeman (1 Episode)

76. 

    Llewellyn Rees

    Rev. Charles Garrison (1 Episode)

77. 

    John Gregg

    Roger Halls (1 Episode)

78. 

    Trevor Eve

    Neil Tannahill (1 Episode)

79. 

    Amanda Ooms

    Meg Tannahill (1 Episode)

80. 

    Philip Stone

    Spencer Quist (1 Episode)

81. 

    Steve Toussaint

    Luke (1 Episode)

82. Tony Sibbald

    Captain - First Airline Crew (1 Episode)

83. 

    Alex Scott

    Dr. Patrick (1 Episode)

84. Donald Morley

    Air Commodore Parks (1 Episode)

85. 

    John Wood

    Nigel Waring (1 Episode)

86. 

    Moultrie Kelsall

    Alexander Drummond (1 Episode)

87. 

    Ronald Hines

    Ian Drummond (1 Episode)

88. 

    Viviane Ventura

    Paola Maria Totti (1 Episode)

89. Penelope Lee

    Dr. Mary Bryant (1 Episode)

Series Crew 36