When an escaped circus gorilla appears to have gone on a murderous rampage, a threatened attorney calls on the detective trio of Garrity, Harrigan and Mullivan to act as bodyguards. In short order, we discover that there is more to the attorney than meets the eye, and the ape may be innocent after all. When a pretty young heiress faces peril, it's up to our heroic trio to save the day.

Jimmy Ritz
as Garrity

Harry Ritz
as Harrigan

Al Ritz
as Mulligan

Anita Louise
as Norma Denby

Patsy Kelly
as Kitty

Lionel Atwill
as Walter Stevens

Bela Lugosi
as Peters

Joseph Calleia
as Stranger

Edward Norris
as Jack Marsden

Wally Vernon
as Seaman
CinemaSerf
Lionel Atwill is the wealthy "Walter Stephens" whose life has been threatened by the sinister "Gorilla". To thwart this, he engages the services of the "Defective Detectives" (Jimmy, Harry & Al Ritz) and what ensues is a slapstick horror movie with a man in a gorilla suit (or, could it be an actual ...