Trailer
 | Michael Allcock as Narrator |
 | Alan Blenkinsopp as Bill Donovan |
| Tim Funnel as Paul Dehn |
| Graham Gauthier as William Fairbairn |
 | Artjom Gilz as Igor Gouzenko |
 | Shawn J. Hamilton as William Stephenson |
| Ben Hayward as Frank Gleason |
| Dave Lapsley as Norm Delahunty |
 | Kym Wyatt McKenzie as Robert Cordell |
 | Marina Moreira as Catalina |
 | Drew Moss as Nazi Guard |
| David O'Keefe as Himself - Host |
| Michael Rubinstein as Helias Doundoulakis |
| Austin Schaefer as John Singlaub |
| Andy Sechi as Greek Source |
| Ivan Shaver as Eric Curwain |
| David Straus as Kim Philby |
| Sarah Strong as Sonya D'Artois |
| Elizabeth Stuart-Morris as Winifred Gardner |
| Writing | |
| Elliott Halpern | Writer |
Sound | |
| Joel S. Silver | Music |
Directing | |
| Robin Bicknell | Director |
Writing | |
| Alex McIntosh | Writer |
Sound | |
| Jared Gutstadt | Music |
Directing | |
| Alex McIntosh | Director |
Writing | |
| Elizabeth Trojian | Writer |
