The Mad Monster

On a fog-bound moonlight night, a wolf howls in a swamp. In his nearby laboratory, Dr. Lorenzo Cameron (George Zucco) draws blood from a caged wolf. Secured to a table is Dr. Cameron's simpleminded but strong gardener, Petro (Glenn Strange), who is to be the subject of the doctor's experiment. Cameron injects a serum made from a wolf's blood into the cooperative Petro, who loses consciousness, grows fur and fangs, and awakens after he has transformed into a wolfman.

Cameron turns to an empty table, visualizing his former colleagues sitting there: The four professors dismissed his theory that wolf blood transfusions could be used to give a human being wolf-like traits. He recalls how the scientific community, the press, and the public joined in a resounding chorus of ridicule that finally cost him his position at the university.

Addressing the four spectral professors, Cameron declares, "Right now, we're at war, at war with an enemy that produces a horde that strikes with a ferocious fanaticism". Cameron proposes giving wolfman traits to our soldiers in order to help win the war. When the professors scoff, Cameron says to them that his proposal doesn't really matter; he is going to have his wolfman kill them one-by-one. For the time being, however, he administers an antidote that transforms Petro back to normal; Petro remembers nothing.

The following night, Cameron injects Petro again and sends him into the swamp. As a wolfman, he enters a nearby home and kills a little girl. Hearing about the child's death, Cameron knows his formulation works. Now he can proceed to eliminate his former colleagues. He begins by setting up elaborate encounters, in which Petro, left alone with each scientist, makes his wolfman transformation. The more times this happens, however, the more unpredictable he becomes while killing them.

Cameron's daughter Lenora (Anne Nagel) is romantically involved with Tom Gregory (Johnny Downs), a newspaper reporter investigating the death of the little girl. As the professors are killed, Gregory begins to suspect that Cameron is behind the murders.

The principals arrive at the Cameron home as a large thunderstorm begins. A bolt of lightning suddenly strikes, setting Cameron's laboratory on fire. Lenora and Tom are able escape from the spreading fire after first encountering an agitated Petro, now in his wolfman form. The transformed Petro suddenly turns on Cameron and kills him, as the raging fire brings down the house on both of them.

• George Zucco as Dr. Lorenzo Cameron
• Glenn Strange as Petro/the wolfman
• Anne Nagel as Lenora Cameron
• Johnny Downs as Tom Gregory

With:

• Gordon De Main as Prof. Fitzgerald
• Reginald Barlow as Prof. Warwick
• Robert Strange as Prof. Blaine
• John Elliott as Prof. Hatfield
• Sarah Padden as Grandmother
• Ed Cassidy as Father
• Mae Busch as Susan
• Henry Hall as Community Doctor
• Slim Whitaker as Officer Dugan
• Gil Patric as Detective Lieutenant

Filming began March 19, 1942[1] and took five days to complete.[2]

The film was re-released by PRC in 1945 as a double feature with The Devil Bat.[3] According to British film historian Phil Hardy, the film "shocked the British censor enough to ban it until 1952, and even then to insist that it should be accompanied by a disclaimer on the matter of blood transfusions".[2]

Author Tom Weaver described the basic story as "a combination of The Wolf Man and PRC's own The Devil Bat with Zucco subbing for Lugosi as the wacky doctor ... one of those uniquely bad films that is difficult to dislike".[1]

• List of films in the public domain in the United States

• The Mad Monster DVD
• Rovin, Jeff (1989). The Encyclopedia of Monsters. New York: Facts on File. ISBN 0816018243
• Skal, David J. (2001). The Monster Show: A Cultural History of Horror. New York: Faber and Faber, revised edition. ISBN 0571199968

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