Cast 19

1. 

   Harry H. Corbett

   Hemel Pike

2. 

   Hugh Griffith

   Joe Turnbull

3. 

   Eric Sykes

   The Mariner

4. 

   Ronnie Barker

   Ronnie

5. 

   Julia Foster

   Christine Turnbull

6. 

   Miriam Karlin

   Nellie Marsh

7. 

   Eric Barker

   Mr Parkes, the Foreman

8. 

   Derek Nimmo

   Dr. Scott

9. 

   Norman Bird

   Waterways Supervisor Albert Williams

10. 

    Richard Briers

    Tomkins

11. 

    Brian Wilde

    Policeman

12. 

    George A. Cooper

    Official in Office

13. Grazina Frame

    Girl in Office

14. 

    Jo Rowbottom

    Cynthia

15. Edwin Apps

    George (Barman)

16. Godfrey Winn

    Announcer (voice)

17. 

    Patricia Hayes

    Onlooker (uncredited)

18. 

    Michael Robbins

    Bargee

19. 

    Barbara Windsor

    Factory Girl (uncredited)

Crew 3