The Invisible Monster (1950)

Richard Webb

as Lane Carson

Aline Towne

as Carol Richards

Stanley Price

as The Phantom Ruler

Lane Bradford

as Burton

John Crawford

as Harris

George Meeker

as "Harry Long"

Edward Keane

as Warren Madison

Dale Van Sickel

as Otto Wagner, aka "Frank Martin"

Douglas Evans

as "James Hunter"

John Hamilton

as "Henry Miller"

Roy Gordon

as Mr. Moore

Harold Goodwin

as Kirk - Body-Shop Henchman [Ch.11] (uncredited)

Marshall Reed

as Roadblock Cop [Ch. 1, 7]

David Sharpe

as Garage Watchman [Ch. 3] / Armored Car Guard [Ch. 11]

George Magrill

as Henchman Sam [Ch. 4-5]

Guy Teague

as Decoy & Dumptruck Henchman [Ch. 5, 7]

T

Tom Steele

as Henchman Bill 'Mack' Haines [Chapters 5, 10]

Eddie Parker

as Barn Henchman Stoner [Ch.8]

Keith Richards

as Doctor [Ch. 12]

D

Duke Taylor

as Second Roadblock Cop [Ch. 1 bit]