Directed by
| David Howard | ||
Writing Credits
| Frank H. Spearman | ... | (story) |
| Daniel Jarrett | ... | (screenplay) (as Dan Jarrett) and |
| Don Swift | ... | (screenplay) |
| Rex Taylor | ... | (adaptation) and |
| Gilbert Wright | ... | (adaptation) |
Cast (in credits order) complete, awaiting verification
| George O'Brien | ... | Gordon Harrington, Jr. aka John 'Whispering' Smith | |
| Irene Ware | ... | Nan Roberts | |
| Kenneth Thomson | ... | J. Wesley Hunt | |
 |
Maude Allen | ... | Mrs. Roberts |
| Spencer Charters | ... | Cal Stone | |
| Victor Potel | ... | Bill Prouty | |
|
|
Edward Keane | ... | Rebstock |
| Frank Sheridan | ... | Gordon Harrington, Sr. | |
| William V. Mong | ... | Blake | |
| Maurice Cass | ... | C. Luddington Colfax | |
| Rest of cast listed alphabetically: | |||
| Allan Cavan | ... | Harrington Office Worker (uncredited) | |
| Bess Flowers | ... | Secretary (uncredited) | |
| John Ince | ... | Conductor (uncredited) | |
| Si Jenks | ... | Oiler (uncredited) | |
| J.P. McGowan | ... | Caboose Passenger (uncredited) | |
|
|
Dick Rush | ... | Denver Police Chief (uncredited) |
Produced by
| Sol Lesser | ... | producer |
Cinematography by
| Frank B. Good | ||
Editing by
| Robert O. Crandall | ||
Production Management
| Edward Gross | ... | production manager |
Additional Crew
| William Fox | ... | presenter |
