Two brothers are separated when young. One becomes the pony express rider Clint Knox and the other the outlaw Ace Carter.
| Actor | Role |
|---|---|
 Hoot GibsonClint Knox | Clint Knox |
 Rex LeaseAsa Knox aka Ace Carter | Asa Knox aka Ace Carter |
 Marion ShillingMary Christman | Mary Christman |
| AAdam GoodmanWindy Harper | Windy Harper |
| NNina GuilbertMrs. Martha Knox | Mrs. Martha Knox |
 Earl DwireGeorge Christman | George Christman |
 Phil DunhamSt. Joseph Reporter | St. Joseph Reporter |
 Robert McKenzieJudge Beasley | Judge Beasley |
 Steve ClarkJohn Knox (as Steve Clarke) | John Knox (as Steve Clarke) |