Full Cast & Crew
Directed by
| James P. Hogan | ... | (as James Hogan) |
Writing Credits
| Eric Taylor | ... | (screenplay) |
| Frederic Dannay | ... | (as Ellery Queen) |
| Manfred Lee | ... | (as Ellery Queen) |
Cast (in credits order) complete, awaiting verification
| Ralph Bellamy | ... | Ellery Queen | |
| Margaret Lindsay | ... | Nikki Porter | |
| Charley Grapewin | ... | Insp. Queen | |
| Spring Byington | ... | Carlotta Emerson | |
| H.B. Warner | ... | Ray Jardin | |
| James Burke | ... | Sgt. Velie | |
| Douglass Dumbrille | ... | John Matthews | |
| John Beal | ... | Walter Matthews | |
| Linda Hayes | ... | Marian Jardin | |
| Sidney Blackmer | ... | Anthony Rhodes | |
| Walter Kingsford | ... | Henry | |
| Honorable Wu | ... | Lee | |
| Charles Lane | ... | Dr. Prouty | |
| Charles Halton | ... | Rufus Smith | |
 |
Arthur Q. Bryan | ... | Book Salesman |
| Rest of cast listed alphabetically: | |||
| Lynton Brent | ... | Auctioneer's Assistant (uncredited) | |
| Jack Cheatham | ... | Desk Sergeant (uncredited) | |
| Wallis Clark | ... | Harmon (uncredited) | |
| Bernard Gorcey | ... | Little Man with Car Tires (uncredited) | |
| Frank O'Connor | ... | Moving Man (uncredited) | |
|
|
Pat West | ... | Moving Man (uncredited) |
Produced by
| Larry Darmour | ... | producer |
Music by
| Lee Zahler | ||
Cinematography by
| James S. Brown Jr. | ||
Editing by
| Dwight Caldwell | ||
Costume and Wardrobe Department
| Eugene Joseff | ... | costume jeweller (uncredited) |
