Directed by
| Howard Bretherton | ||
Writing Credits
| Charles Williams | ... | (story and screenplay) (as C.B. Williams) |
| Marion Orth | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| Warren Hull | ... | Bill MacGregor | |
| Kay Linaker | ... | Sonia Manning | |
| Wilhelm von Brincken | ... | Professor Werner | |
| George Cleveland | ... | John MacGregor | |
| Fern Emmett | ... | Aunt Mary | |
 |
Edward Keane | ... | Newspaper Editor |
| Willy Castello | ... | Eric Bowman | |
| John Sheehan | ... | Marden | |
|
|
Herbert Corthell | ... | Pete |
|
|
Vince Rush | ... | Gruen |
| Rest of cast listed alphabetically: | |||
| Tristram Coffin | ... | Newspaper Reporter (uncredited) | |
| I. Stanford Jolley | ... | German Agent (uncredited) | |
| Paul Newlan | ... | German Agent (uncredited) | |
|
|
Hans Wollenberger | ... | Mueller (uncredited) |
Produced by
| Fred Scheld | ... | associate producer |
| T.R. Williams | ... | producer |
Cinematography by
| Harry Neumann | ... | director of photography |
Editing by
| Robert Golden | ||
| Russell F. Schoengarth | ... | (uncredited) |
Second Unit Director or Assistant Director
| W.B. Eason | ... | assistant director |
Sound Department
| Karl Zint | ... | sound engineer |
Costume and Wardrobe Department
| Eugene Joseff | ... | costume jeweller (uncredited) |
Music Department
| Edward J. Kay | ... | musical director (uncredited) |
