John Wayne and Richard Boone at the film's premiere at John Wayne Theatre at Knott's Berry Farm in 1971
Written as The Million Dollar Kidnapping, which was used as the shooting title, it was filmed from early October to early December 1970, in the Mexican states of Durango and Zacatecas,[1] including scenes shot at the El Saltito waterfall and in the Sierra de Órganos National Park.[2]
John Wayne's son, Patrick, portrays James McCandles. Robert Mitchum's son, Christopher, portrays Michael McCandles. Wayne's youngest son, Ethan, portrays Little Jake.
- ↑ Eyles, Allen (1979). John Wayne. A. S. Barnes. ISBN 978-0-498-02487-0.
- ↑ Hughes, Howard (2008). Stagecoach to Tombstone: The Filmgoers' Guide to the Great Westerns. I.B. Tauris. ISBN 978-1-84511-498-5.