* Charlton Heston as Dr. Ross "Rocky" Thompson
* Ava Gardner as Lillian "Lee" Thompson
* George Kennedy as Frank "Paco" Ramirez
* Geneviève Bujold as Samantha "Sam" Thompson
* Marjoe Gortner as Tommy "Tom" Thompson
* Richard Roundtree as Manny
* Barry Sullivan as Carl
* Lorrie Mahaffey as Cindy
* Gabriel Dell as Joey
It was directed by Mark Robson and featured an impressive supporting cast including: L.Q. Jones, Walter Matthau, Victoria Principal, and Ted Wass.