Trailer
Images
 | Christopher Connelly as Mark Twain |
 | Forrest Tucker as Mike Fink |
 | Larry Storch as Eagle Feather |
 | Jack Kruschen as Jim Bridger |
 | Mike Mazurki as Crazy Horse |
 | Parley Baer as Farley Osmond |
 | Whit Bissell as Simon Hollaway |
 | Bill Zuckert as Mayor Calvin Mercer |
 | Robert Easton |
 | Don Haggerty as Sheriff Benedict |
 | Sam Edwards as Milford Petrie |
 | Greg Brickman |
| Hugh Burritt |
| Thomas C. Chapman |
| Loren Ewing |
 | Sanford Gibbons as Virginia City Sheriff |
| Grizzly Green |
| Roy Gunzburg |
| John Hansen as Bill Cody |
| William Kezele as Burton |
| David O'Malley as Harold |
| Prentiss Rowe |
| Michael Ruud |
| Mel Shelton |
| Earl W. Smith as Card Player #1 |
| Dennis R. Williams |
| Allen Wood |
| Norm Keefer as Squanto |
| Directing | |
| James L. Conway | Director |
Writing | |
| Thomas C. Chapman | Writer |
| David O'Malley | Writer |
Production | |
| Charles E. Sellier Jr. | Executive Producer |
| Robert Stabler | Producer |
Sound | |
| Bob Summers | Music |
Camera | |
| Henning Schellerup | Director of Photography |
Editing | |
| John F. Link | Editor |
Art | |
| Charles C. Bennett | Art Direction |
Sound | |
| Mark Bovos | Sound |
Crew | |
| Harry Woolman | Special Effects |
