Cast 22

1. 

   Hayley Mills

   Patti Randall

2. 

   Dean Jones

   Zeke Kelso

3. 

   Dorothy Provine

   Ingrid Randall

4. 

   Roddy McDowall

   Gregory Benson

5. 

   Frank Gorshin

   Iggy

6. 

   Neville Brand

   Dan

7. 

   Elsa Lanchester

   Mrs. MacDougall

8. 

   William Demarest

   Mr. MacDougall

9. 

   Richard Eastham

   Supervisor Newton

10. 

    Grayson Hall

    Margaret Miller

11. 

    Tom Lowell

    Canoe Henderson

12. 

    Richard Deacon

    Drive-in-Manager

13. 

    Iris Adrian

    Landlady

14. 

    Liam Sullivan

    Graham

15. 

    Don Dorrell

    Spires

16. 

    Gene Blakely

    Cahill

17. 

    Karl Held

    Kelly

18. 

    Ed Wynn

    Mr. Hofstedder

19. 

    Larry J. Blake

    Police Officer (uncredited)

20. 

    John Cliff

    FBI Agent Hart (uncredited)

21. D.C. Benny

    Siamese Cat (uncredited)

22. 

    Ben Lessy

    Drive-In Concessionaire (uncredited)

Crew 18