A band of Basque immigrants treks through the Old West toward California, where they hope to put down roots and open wineries. When the group's leader dies, his widow Gabrielle marries his brother in accordance with Basque tradition. But it's a loveless union; Gabrielle is smitten with Lon Bennett, the scout who's been hired to guide them on their journey.
Unfortunately the movie Thunder in the Sun is not yet available on HBO Max.
| Writing | Guy Trosper | Story |
| Directing | Russell Rouse | Director |
| Writing | James Hill | Story |
| Writing | Stewart Stern | Writer |
| Writing | Russell Rouse | Writer |
| Crew | Hal Needham | Stunts |
| Sound | William Hamilton | Boom Operator |
| Directing | Edward F. Mull | Assistant Director |
