After being released from prison, ex-gunfighter John Wesley Hardin hopes to have his autobiography published in order to rehabilitate his tarnished reputation.
| Actor | Role |
|---|---|
 Rock HudsonJohn Wesley Hardin | John Wesley Hardin |
 Julie AdamsRosie McCoy (as Julia Adams) | Rosie McCoy (as Julia Adams) |
 Mary CastleJane Brown | Jane Brown |
 John McIntireJ.G. Hardin / John Clements | J.G. Hardin / John Clements |
 Hugh O'BrianIke Hanley | Ike Hanley |
 Dennis WeaverJim Clements | Jim Clements |
 Forrest LewisZeke Jenkins | Zeke Jenkins |
 Lee Van CleefDirk Hanley | Dirk Hanley |
 Tom FaddenChick Noonan - Undertaker | Chick Noonan - Undertaker |
 Race GentryYoung John Hardin | Young John Hardin |
 Richard GarlandJoe Clements | Joe Clements |
 Glenn StrangeBen Hanley | Ben Hanley |
 William PullenJoe Hardin | Joe Hardin |