Three ad agency executives are pressured into taking a motorbike trip to Baja by a big-ticket client. Along the way, the client is spurned by a young woman whose boyfriend sticks up for her. The client later disables their van, leading to their deaths in the desert. When the executives piece together what has happened, it leads to a showdown.
| Actor | Role |
|---|---|
 Andy GriffithSam Farragut | Sam Farragut |
 William ShatnerWarren Summerfield | Warren Summerfield |
 Robert ReedPaul McIlvain | Paul McIlvain |
 Marjoe GortnerTerry Maxon | Terry Maxon |
 Angie DickinsonNancy McIlvain | Nancy McIlvain |
 Janet MargolinKrissie Kincaid | Krissie Kincaid |
 Lorraine GaryLila Summerfield | Lila Summerfield |
 John BarbourHoward Norlan | Howard Norlan |
 Robert BurtonMichael | Michael |
| MMarilyn HearnLoris | Loris |
| WWilliam WintersoleMr. Perrins | Mr. Perrins |
 Paul KentDr. Harris | Dr. Harris |
 John BrasciaCapt. Guiterrez | Capt. Guiterrez |
| SSteve DeFranceCantina Local (uncredited) | Cantina Local (uncredited) |
 Neil SummersCantina Local (uncredited) | Cantina Local (uncredited) |