Adapted from Dorothy Yost's story, "The Untamed Heart"
| Actor | Role |
|---|---|
 Rin-Tin-TinThe Grey Ghost | The Grey Ghost |
 Jason Robards Sr.Steve Harley | Steve Harley |
 Dorothy DwanJanet | Janet |
 Tom SantschiBen Harley | Ben Harley |
| BBilly Kent SchaeferCrippled Boy | Crippled Boy |