Experiment in Evil

A timid, nearsighted chemistry teacher discovers a magical potion that can transform him into a suave and handsome Romeo. The Jekyll and Hyde game...

In foggy London Dr Jekyll experiments on newly deceased women determined to discover an elixir for immortal life. Success enables his spectacular...

Henry Jekyll is a troubled man. His wife died of pneumonia. He wants his sister-in-law, but her father forbids any contact. And his experiments into...

Dr. Henry Jekyll experiments with scientific means of revealing the hidden, dark side of man and releases a murderer from within himself.

An ugly, misshapen podiatrist ingests a formula made by a colleague and turns into a handsome, devil-may-care (but violent) ladies' man.

Sylvester alternates chasing the normal Tweety and fleeing a monster version of Tweety.

A small town doctor mistakenly ingests an experimental drug made from the blood of vampire bats which transforms the kindly medic into a bloodthirsty...

When his experiments into a powerful new anesthetic go hideously awry, respected physician Dr. Jekyll transforms into the hideous Jack Hyde. As his...

In the questionable town of Deer Meadow, Washington, FBI Agent Desmond inexplicably disappears while hunting for the man who murdered a teen girl....

Two opposing characters are hidden in the person of the inconspicuous London gentleman Dr. Warren and Janus. A lost film.

A doctor's research into the roots of evil turns him into a hideous depraved fiend.

Dr. Henry Jekyll experiments with scientific means of revealing the hidden, dark side of man and releases a murderer from within himself.