Cast 13

1. 

   Jack Holt

   Jack Holt / Nick Farrell

2. 

   Evelyn Brent

   Kay Drew

3. John Ward

   'Lucky' Arnold

4. 

   Ted Adams

   Quist

5. 

   Joe McGuinn

   'Crimp' Evans [Chs. 1, 4-15]

6. 

   Tris Coffin

   Ed Valdin [Chs. 1-10]

7. 

   Stanley Blystone

   Garrity [Chs. 11-15]

8. 

   George Chesebro

   Rankin [Chs. 11-15]

9. 

   Stanley Price

   Dent [Chs. 11-15]

10. 

    C. Montague Shaw

    Chief John W. Malloy (as Montague Shaw)

11. 

    Edward Hearn

    Agent Jim Layton

12. 

    Jack Cheatham

    Agent Frank [Chs. 3-5, 8-9, 15]

13. Ray Parsons

    John Severn - Engraver [Chs. 1-4]

Crew 4