The Invisible Monster 1950

Richard Webb

Lane Carson

Aline Towne

Carol Richards

Stanley Price

The Phantom Ruler

Lane Bradford

Burton

John Crawford

Harris

George Meeker

"Harry Long"

Edward Keane

Warren Madison

Dale Van Sickel

Otto Wagner, aka "Frank Martin"

Douglas Evans

"James Hunter"

John Hamilton

"Henry Miller"

Roy Gordon

Mr. Moore

Harold Goodwin

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

Marshall Reed

Roadblock Cop [Ch. 1, 7]

David Sharpe

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

George Magrill

Henchman Sam [Ch. 4-5]

Guy Teague

Decoy & Dumptruck Henchman [Ch. 5, 7]

Tom Steele

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

Eddie Parker

Barn Henchman Stoner [Ch.8]

Keith Richards

Doctor [Ch. 12]

Duke Taylor

Second Roadblock Cop [Ch. 1 bit]

Mark Strong

Bank Watchman [Ch.1 bit]

Bert LeBaron

Crooked Watchman [Ch. 2 bit]

Frank O'Connor

Chemical Truck Cop [Ch. 5 bit]

Forrest Burns

Watchman Joe [Ch. 5 bit]

Carey Loftin

Dynamite Henchman Dirk [Ch. 6 bit]

Tom Monroe

Cave Policeman [Ch. 7 bit]

Howard M. Mitchell

Second Garage Watchman [Ch. 7 bit]

Charles Sullivan

Squadcar Cop [Ch. 7 bit]

George Volk

Second Armored Car Guard [Ch. 11 bit]

David Sharpe

Stunts

Duke Taylor

Stunts

Bud Wolfe

Stunts

Carey Loftin

Stunts

Howard Lydecker

Special Effects

Dale Van Sickel

Stunts

Franklin Adreon

Producer

Guy Teague

Stunts

Eddie Parker

Stunts

Bert LeBaron

Stunts

Ronald Davidson

Screenplay

Bob Mark

Makeup Department Head

Theodore Lydecker

Special Effects

Earl Crain Sr.

Sound Engineer

Cliff Bell Sr.

Editor

George Magrill

Stunts

Tom Steele

Stunts

Fred C. Brannon

Director

Sam Starr

Editor

Ken Terrell

Stunts

Ellis W. Carter

Director of Photography

Stanley Wilson

Original Music Composer