 Bruce BennettLieutenant John Cronin | Lieutenant John Cronin |
 Kay HarrisEdith Cassell | Edith Cassell |
 Edward NorrisEddie Miller | Eddie Miller |
 Sidney BlackmerCarlyle Harrison | Carlyle Harrison |
 George McKayCharles 'Chuck' Brown | Charles 'Chuck' Brown |
 John TyrrellJohn Fuller | John Fuller |
 Don BeddoePolice Inspector Hanley | Police Inspector Hanley |
 Robert Emmett KeaneMr. Conrad | Mr. Conrad |
 Lester DorrMiddle Barber [script name: Harry] | Middle Barber [script name: Harry] |
 Eddie LaughtonGeorge, end barber [script name only: Felix] | George, end barber [script name only: Felix] |
 Max WagnerRecruiting Sergeant | Recruiting Sergeant |
 Kenneth MacDonaldRecruiting Station Doctor | Recruiting Station Doctor |
 Byron FoulgerBomber | Bomber |
 John DilsonGuthrie | Guthrie |
 Al HillBooking Room Sergeant | Booking Room Sergeant |
 Shirley PattersonMiss Cole, secretary | Miss Cole, secretary |
 Edward HearnDynamite Truck Driver | Dynamite Truck Driver |
 Stanley BrownSmoke Shop Clerk | Smoke Shop Clerk |
 Ernie AdamsSmoke Shop Customer | Smoke Shop Customer |
| AAl HermanBookie in 'Cage' | Bookie in 'Cage' |
| PPat LaneHenchman Sam, trucker on phone | Henchman Sam, trucker on phone |
 Ethan LaidlawOffice Henchman | Office Henchman |
| CConnie EvansFlower Shop Clerk | Flower Shop Clerk |
| JJack GardnerUnspecified Gambler | Unspecified Gambler |
 Harry TenbrookUnspecified Saboteur | Unspecified Saboteur |
 Hugh ProsserUnspecified Saboteur | Unspecified Saboteur |
| WWilliam LallyUnspecified Policeman | Unspecified Policeman |
| BBrick SullivanUnspecified Policeman | Unspecified Policeman |
 Eddie Bruce? - [script name: Clancy] | ? - [script name: Clancy] |
 Cyril Ring? - [script name: Jefferson] | ? - [script name: Jefferson] |
