The earliest surviving film featuring Lon Chaney in a major role, By the Sun's Ray's was but one of several 2-reel westerns starring the florid Murdock MacQuarrie. MacQuarrie plays a detective investigating a series of gold shipment robberies. Along the way, he falls for a mine superintendent's pretty daughter (Agnes Vernon), much to the dismay of a sullen mine office clerk (Chaney), who is also smitten with the girl...
| Actor | Role |
|---|---|
 Murdock MacQuarrieJohn Murdock, the Detective | John Murdock, the Detective |
 Lon ChaneyFrank Lawler, the Clerk | Frank Lawler, the Clerk |
| SSeymour HastingsJohn Davis - Supt. of Mines | John Davis - Supt. of Mines |
 Agnes VernonDora Davis - John's Daughter | Dora Davis - John's Daughter |
 Richard RossonThe Bandit (as Dick Rosson) | The Bandit (as Dick Rosson) |
 Eddie LyonsUndetermined Role (unconfirmed / uncredited) | Undetermined Role (unconfirmed / uncredited) |