Holt of the Secret Service
Voltar
Jack HoltJack Holt / Nick Farrell
Evelyn BrentKay Drew
John Ward'Lucky' Arnold
Ted AdamsQuist
Joe McGuinn'Crimp' Evans [Chs. 1, 4-15]
Tris CoffinEd Valdin [Chs. 1-10]
Stanley BlystoneGarrity [Chs. 11-15]
George ChesebroRankin [Chs. 11-15]
Stanley PriceDent [Chs. 11-15]
C. Montague ShawChief John W. Malloy (as Montague Shaw)
Edward HearnAgent Jim Layton
Jack CheathamAgent Frank [Chs. 3-5, 8-9, 15]- Ray ParsonsJohn Severn - Engraver [Chs. 1-4]