Dr. Otto and the Riddle of the Gloom Beam is a 1986 English-language Comedy Sci-Fi motion picture written and directed by John R. Cherry Iii and produced by Jerry Carden and John R. Cherry Iii. Ernest P. Worrel tries out a strange contraption he bought cheaply called the Changing Coffin. The machine turns him into his opposite - a mad scientist and supervillain bent on world domination called Dr. Otto. He plans to use his Gloom Beam to render all the computers that keep people's financial records and bank accounts useless which would make him the only one with access to all this dough. Bumbling hero Lance Sterling and his cautious sidekick Doris are sent to Dr. Otto's lair to stop him. There, they must face various scary alter egos of Dr. Otto as well as his manservant, Willie the Robot. Dr. otto and the riddle of the gloom beam features Jim Varney, Glenn Petach, Myke R. Mueller, Jackie Welch, Daniel Butler, Esther Huston and Tom Sparks. The movie has a running time of 92 min. Distribution rights for the film were acquired by GoodTimes Home Video.