![](https://image.tmdb.org/t/p/w92/xjXY0di1hFXfnErsfAwkOgBSCjd.jpg)
Murdock MacQuarrie
John Murdock, the Detective
![](https://image.tmdb.org/t/p/w92/m1icBooBEqFNp24Puu7qXn2Sarr.jpg)
Lon Chaney
Frank Lawler, the Clerk
Seymour Hastings
John Davis - Supt. of Mines
![](https://image.tmdb.org/t/p/w92/c8NudnveNsWX4u4nfi19QqQVD86.jpg)
Agnes Vernon
Dora Davis - John's Daughter
![](https://image.tmdb.org/t/p/w92/hjJhqwxMpdVpj5C9yfmM0H4MvgD.jpg)
Richard Rosson
The Bandit (as Dick Rosson)
![](https://image.tmdb.org/t/p/w92/nkklAMaloudHlDUhIta7iaI1Hrx.jpg)
Eddie Lyons
Undetermined Role (unconfirmed / uncredited)