Cast 44

1. 

   Dana Andrews

   Dr. John Holden

2. 

   Peggy Cummins

   Joanna Harrington

3. 

   Niall MacGinnis

   Dr. Julian Karswell

4. 

   Maurice Denham

   Professor Henry Harrington

5. 

   Athene Seyler

   Mrs. Karswell

6. 

   Liam Redmond

   Professor Mark O'Brien

7. 

   Reginald Beckwith

   Mr. Meek

8. 

   Ewan Roberts

   Lloyd Williamson

9. Peter Elliott

   Professor K.T. Kumar

10. 

    Rosamund Greenwood

    Mrs. Meek

11. 

    Brian Wilde

    Rand Hobart

12. 

    Richard Leech

    Inspector Mottrarn

13. 

    Lloyd Lamble

    Detective Simmons

14. Peter Hobbes

    Superintendent

15. 

    Charles Lloyd Pack

    Chemist

16. 

    John Salew

    Librarian

17. Janet Barrow

    Mrs. Hobart

18. 

    Percy Herbert

    Farmer

19. Lynn Tracy

    Air Hostess

20. 

    John Harvey

    Hobart's Brother

21. Alan Beaton

22. Hyma Beckley

23. 

    Ballard Berkeley

24. Ernest Blyth

25. 

    Wallace Bosco

26. Daniel Brown

27. Jimmy Cains

28. George Curtis

29. Richard Duke

30. 

    Shay Gorman

31. Laurence Hepworth

32. Walter Horsbrugh

33. Arthur Howell

34. Anthony John

35. Dan Lester

36. Leonard Llewellyn

37. 

    Michael Peake

38. Paul Phillips

39. Anthony Richmond

40. Peggy Scott Sanders

41. Terry Sartain

42. Leonard Sharp

43. Bert Simms

44. Robert Brooks Turner

Crew 22