演职人员
导演
詹姆斯·韦斯利·霍恩
Jack Holt / Nick Farrell
Jack Holt
Kay Drew
Evelyn Brent
'Lucky' Arnold
John Ward
Quist
Ted Adams
'Crimp' Evans [Chs. 1, 4-15]
Joe McGuinn
Ed Valdin [Chs. 1-10]
Tristram Coffin
Garrity [Chs. 11-15]
斯坦利·布莱斯通
Rankin [Chs. 11-15]
George Chesebro
Dent [Chs. 11-15]
Stanley Price
Chief John W. Malloy (as Montague Shaw)
C. Montague Shaw
Agent Jim Layton
Edward Hearn
Agent Frank [Chs. 3-5, 8-9, 15]
Jack Cheatham
John Severn - Engraver [Chs. 1-4]
Ray Parsons