Like Ellery Queen co-star David Wayne, Victor Buono once played a villain on Batman--corpulent pharoah King Tut.
Forrest Tucker is best known to TV viewers for his role as conniving Sgt. Morgan O'Rourke on F Troop.
Vera Miles' best known role is that of Lila Crane in the classic Alfred Hitchcock shocker Psycho.
Edward Mulhare should be familiar as Captain Gregg on the 1968-70 ABC/NBC comedy The Ghost and Mrs. Muir.
Clint: (to Lillian) You don't want that Vargo. That guy's still alive.
Inspector Queen: Brimmer! What are you doing here?
Brimmer: A concerned citizen coming forth with interesting information.
Inspector Queen (to Brimmer) The city stopped issuing magnifying glasses with gas lighting.
Inspector Queen: You're not leveling with us, Vargo.
Clint: (to the Queens) Down where I come from we know what to do with killers--find 'em. We don't let 'em just walk around.
Brimmer: Well, Inspector, I'd say you have a brand new case on your hands.
Celeste: Obviously, you've checked my alibi, Inspector.
Inspector Queen: It's part of my job, Miss Wakefield.
Ellery: Dr. Friedland, I don't think you understand. I'm trying to solve a murder.
Inspector Queen: Paperwork! Pretty soon you'll need a judge's permission to question a suspect.
Brimmer: I think I can help you, Inspector.
Inspector Queen: You brought me an aspirin?
Inspector Queen: If you're concealing evidence, Brimmer.....
Brimmer: I'm concealing nothing, Inspector. I'm merely employing methods more effective than the police.
Vargo: True genius can never be defeated. I shall create another masterpiece.