John Murdock, the Detective
Murdock MacQuarrie
Frank Lawler, the Clerk
Lon Chaney
John Davis - Supt. of Mines
Seymour Hastings
Dora Davis - John's Daughter
Agnes Vernon
The Bandit (as Dick Rosson)
Richard Rosson
Undetermined Role (unconfirmed / uncredited)
Eddie Lyons
Director
Charles Giblyn
Tod Browning