Jack Mulhall

Dr. Sovac transplants the brain of a gangster into his professor friend's body to save his life, but there is a side effect that causes a dangerous split personality.

The town's leading citizen becomes a homicidal maniac after his wife deserts him.

A mysterious hypnotist reverts his beautiful assistant back into the form of a prehistoric sea monster that she was in a past life.

Ships mysteriously disappear on route across the Arctic Sea, and a specially-equipped submarine is sent to investigate.

The East Side Kids try to fix up a house for newlyweds, but find the place next door "haunted" by mysterious men.

The Great McGonigle and his troupe of third-rate vaudevillians manage to stay one step ahead of the bill collectors and the sheriff.

Young man falls for blonde heiress forced onto ship. Follows to rescue her, disguising as mobster's aide when realizing she's returning home and his boss is aboard.

The film opens with a German air raid over the skies of London, and moves to the attempts of the F.B.I. and Scotland Yard investigators trying to circumvent the attempts of a sabotage ring dedicated to impeding the flow of America...

The Mounties are called in to fight against claim jumpers.

Rancher "Utah" Neyes crosses the border into Canada to meet his partner, only to find that the latter has been murdered by a gang led by "Nails" Nelson. "Utah", with the aid of RCMP Jack Craig and fur-trapper Ivy Jenkins, manages ...