Merlin Jones, a precocious and intelligent high-school boy, experiments with hypnosis and creates a mind-reading machine. However, his experiments land him in deep trouble with the law.
|Tommy Kirk||-||Merlin Jones|
|Leon Ames||-||Judge Holmsby|
|Stuart Erwin||-||Police Captain Loomis|
|Alan Hewitt||-||Professor Shattuck|
|Connie Gilchrist||-||Mrs. Gossett, Holmby's Housekeeper|
|Dal McKennon||-||Detective Hutchins|
|Norman Grabowski||-||Norman, Midvale Football Player|