
They hear him! They feel him! But they can't stop him!
The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him invisible, despite its side effect: gradual madness.
Inspector Sampson

Alan Napier
Willie Spears

Forrester Harvey
Ben Jenkins

Ernie Adams
Minor Role (uncredited)

Jimmy Aubrey
Plainclothesman (uncredited)
Walter Bacon
Fight Spectator (uncredited)

Billy Bevan
Jim (uncredited)
Clara Blore
Woman (uncredited)