Cast 12

1. 

   Ralph Byrd

   Dick Tracy

2. 

   Kay Hughes

   Gwen Andrews

3. 

   Smiley Burnette

   Mike McGurk

4. Lee Van Atta

   Junior

5. 

   John Picorri

   Moloch

6. 

   Carleton Young

   Gordon Tracy, after

7. Fred Hamilton

   Steve Lockwood

8. 

   Francis X. Bushman

   Chief Clive Anderson

9. 

   John Dilson

   Ellery Brewster [Chs. 1, 12]

10. Richard Beach

    Gordon Tracy, before [Chs. 1, 12]

11. 

    Byron Foulger

    Korvitch [Chs. 1, 12]

12. Roscoe Gerald

    Power Co. Watchman-Thug (uncredited)

Crew 10