The Invisible Monster (1950)
Director: Fred C. Brannon
Cast Richard Webb ... Lane Carson Aline Towne ... Carol Richards Lane Bradford ... Burton Stanley Price ... The Phantom Ruler John Crawford ... Harris George Meeker ... Harry Long Keith Richards ... Doctor Dale Van Sickel ... Otto Wagner / Frank Martin Tom Steele ... Bill 'Mack' Haines Marshall Reed ... MacDuff - Roadblock Cop Forest Burns ... Joe - Watchman Eddie Parker ... Stoner - Barn Henchman Frank O'Connor ... Hogan Charles Regan ... Art Charles Sullivan ... Grogarty - Squad Car Cop
The mysterious villain calling himself the Phantom Ruler has the means to render himself invisible and schemes to steal the resources that will allow him to field an invisible army so he can seize control of the country! Private Detective Lane Carson and his assistant, the criminologist Carol Richards, are all that stands between the Phantom Ruler and his planned conquest.