A Michigan farmer and a prospector form a partnership in the California gold country. Their adventures include buying and sharing a wife, hijacking a stage, kidnapping six prostitutes, and turning their mining camp into a boom town. Along the way there is plenty of drinking, gambling, and singing. They even find time to do some creative gold mining.
| Actor | Role |
|---|---|
 Lee MarvinBen Rumson | Ben Rumson |
 Clint Eastwood"Pardner" | "Pardner" |
 Jean SebergElizabeth Woodling | Elizabeth Woodling |
 Ray Walston"Mad Jack" Duncan | "Mad Jack" Duncan |
 Harve Presnell"Rotten Luck Willie" | "Rotten Luck Willie" |
 Tom LigonHorton Fenty | Horton Fenty |
 Alan DexterParson | Parson |
 Terry JenkinsJoe Mooney | Joe Mooney |
 Paula TruemanMrs. Fenty | Mrs. Fenty |
 H.B. HaggertySteve Bull | Steve Bull |
 Benny BakerHaywood Holbrook | Haywood Holbrook |
 William O'ConnellHorace Tabor | Horace Tabor |
| GGeoffrey NormanFoster | Foster |
 Robert EastonEzra Atwell | Ezra Atwell |
 Alan BaxterMr. Fenty | Mr. Fenty |
| KKarl BruckSchermerhorn | Schermerhorn |
 John MitchumJacob Woodling | Jacob Woodling |
 Sue CaseySarah Woodling | Sarah Woodling |
 Eddie Little SkyIndian | Indian |
 Harvey ParryHiggins | Higgins |
 H.W. GimWong | Wong |
| WWilliam MimsFrock-Coated Man | Frock-Coated Man |
 Roy JensonHennessey | Hennessey |
| PPatrick HawleyClendennon | Clendennon |
 Tony ColtiMiner (uncredited) | Miner (uncredited) |
 Roger HerrenMiner (uncredited) | Miner (uncredited) |