The film credits list Teri Shields as the Motel Clerk. She was the mother of Brooke Shields and was 45 years of age at the time of filming the motel scenes in Prescott, AZ.

Henry Fonda, Peter Fonda's father, plays an old prospector in the Grand Canyon. As the prospector leaves Beaudray and Wanda, the song "Oh My Darling, Clementine" plays on the soundtrack. Henry Fonda starred in the John Ford film My Darling Clementine (1946) as Wyatt Earp.

Peter Fonda is wearing the pendant part of a Purple Heart medal on a thong around his neck, visible in many scenes.