Series Cast 18

1. 

   John Longden

   Superintendent Mercer (39 Episodes), Mercer (1 Episode)

2. 

   Richard Wyler

   Interpol Agent Anthony Smith (39 Episodes)

3. 

   John Serret

   Inspector Gouthier / Inspector Frenay (39 Episodes)

4. Peter Allenby

   Ricardi (39 Episodes)

5. Mahmood Mall

   Ali (1 Episode)

6. 

   Michael Peake

   Mortuna (1 Episode)

7. 

   Brian Worth

   Paul (1 Episode)

8. 

   Noel Dyson

   Martha (1 Episode)

9. Donald Tandy

   John (1 Episode)

10. Arnold Bell

    Gladstone (1 Episode)

11. John Brooking

    Jameson (1 Episode)

12. Paul Craig

    Ring (1 Episode)

13. Bobby R. Naidoo

    Gowali (1 Episode)

14. Larry Noble

    Postman (1 Episode)

15. Reginald Hearne

    Sergeant (1 Episode)

16. Tony Harrison

    Official (1 Episode)

17. 

    Jack Melford

    Thomas (1 Episode)

18. Arthur Gomez

    Razal (1 Episode)

Series Crew 2