Top Billed Cast

1. 

   Spencer Tracy

   James P. Curtayne

2. 

   Pat O’Brien

   Det. Vincent Ricks

3. 

   Diana Lynn

   Virginia 'Ginny' Curtayne

4. 

   John Hodiak

   District Attorney Louis Barra

5. 

   Eduardo Ciannelli

   Sol 'Knuckles' Lanzetta

6. 

   James Arness

   John Fordman 'Johnny' O'Hara

7. 

   Yvette Duguay

   Mrs. Katrina Lanzetta

8. 

   Jay C. Flippen

   Sven Norson

9. 

   William Campbell

   Frank Korvac

10. 

    Richard Anderson

    Jeff Chapman

11. 

    Arthur Shields

    Mr. O'Hara

12. 

    Louise Lorimer

    Mrs. Peg O'Hara

13. 

    Henry O'Neill

    Judge Keating

14. 

    Ann Doran

    Betty Clark, Policewoman

15. 

    Emile Meyer

    Captain Tom Mulvaney

16. 

    Regis Toomey

    Fred Colton, Police Sound Man

17. 

    Katherine Warren

    Mrs. William Sheffield (as Katharine Warren)

18. 

    John Albright

    Waiter (uncredited)

19. 

    Tony Barr

    Little Wolfie (uncredited)

20. 

    Richard Bartlett

    Tony Korvac (uncredited)

21. 

    Brooks Benedict

    Gambler (uncredited)

22. 

    Leonard Bremen

    Harry (uncredited)

23. 

    Charles Bronson

    Angelo Korvac (uncredited)

24. 

    Mae Clarke

    Receptionist (uncredited)

25. 

    Michael Tolan

    Vincent Korvac (as Lawrence Tolan) (uncredited)

26. 

    Peter Mamakos

    James Korvac (uncredited)

27. 

    Sailor Vincent

    William Sheffield (uncredited)

28. 

    Ned Glass

    Preliminary Hearing Judge (uncredited)

29. 

    Bill Fletcher

    Pete Korvac (uncredited)

30. 

    Jack Kruschen

    Uniformed Detective (uncredited)

31. 

    William Schallert

    Intern with Ambulance (uncredited)