Cast & crew
Ellery Queen, Master Detective (1940)
Directed by Kurt Neumann Written by Manfred Lee, Eric Taylor, Frederic Dannay
Cast
| Ralph Bellamy | Ellery |
| Margaret Lindsay | Porter |
| Charley Grapewin | Queen Marlena |
| James Burke | Sgt. Taggart |
| Michael Whalen | James |
| Marsha Hunt | Braun |
| Fred Niblo | Braun |
| Peter Bronte | (uncredited) |
| Jack Cheatham | (uncredited) |
| Arthur Millett | (uncredited) |
| Frank O'Connor | (uncredited) |
| Douglas Fowley | Rocky |
| Marion Martin | Cornelia Tressblekken |
| Charles Lane | Prouty |
| Ann Shoemaker | Lydia |
| Morgan Wallace | Zachary |
| Byron Foulger | Amos Calloway |
| Katherine DeMille | Valerie |
| Lee Phelps | Flynn |
| Jack Rice | (uncredited) |
| Alan Ladd | (unconfirmed) |
Crew
| Kurt Neumann | Director |
| Manfred Lee | Story |
| James S. Brown Jr. | Director of Photography |
| Eric Taylor | Screenplay |
| Frederic Dannay | Story |