

A murder has occurred at Gruesome Gables, and the dog detective trying to find the killer has to deal with some suspicious suspects and a haunted house.

Robert Emmett O'Connor
Host (uncredited)
Lead
Tex Avery
Santa Claus (voice) (uncredited)

Sara Berner
Cuckoo Bird / Maid (voice) (uncredited)

Billy Bletcher
Detective / Ghost (voice) (uncredited)

Richard Haydn
The Victim (voice) (uncredited)

Kent Rogers
Red Skeleton (voice) (uncredited)
“A staggering achievement of craft and ambition. Tex Avery's vision lands with breathtaking precision.”
“Every frame feels alive. Who Killed Who? is the rare release that takes its audience seriously.”