Jack Holt
Jack Holt / Nick Farrell
Evelyn Brent
Kay Drew
John Ward
'Lucky' Arnold
Ted Adams
Quist
Joe McGuinn
'Crimp' Evans [Chs. 1, 4-15]
Tristram Coffin
Ed Valdin [Chs. 1-10]
Stanley Blystone
Garrity [Chs. 11-15]
George Chesebro
Rankin [Chs. 11-15]
