A Dangerous Game (also known as Who Killed Doc Robbin?)

is a 1941 American mystery film directed by John Rawlins and starring Richard Arlen, Andy Devine and Jean Brooks.

It is part of Universal Pictures's Aces of Action series.

[1] The New York Times called the film "a crack-brained murder mystery.

"[2] Private detectives are called out to an isolated mental institution where several of the inmates are killed in a case tied to a valuable inheritance due to one of the patients.