Parent Trap III Mary Grand (Bridgette Andersen). Susan was married to Brian Carey (Alex Harvey). They divorced prior to the events of "Parent Trap III", and Susan reverted to using her maiden name, Evers. Hayley Mills returned in 1986 to the Disney Channel when she filmed "The Parent Trap II". She expressed no interest in returning for more sequels. In 1989, Mollie Miller soon began production on the next sequel, "Parent Trap III". Mills returned after her Disney series, "Good Morning, Miss Bliss" had ended. Barry Bostwick was cast as Jeffrey Wyatt and Patricia Richardson as his jealous, snobbish girlfriend, Cassie McGuire. Richardson
The Deadly Companions O'Hara (1927–1992), played the seventh-billed role of Cal (the family surname is Fitzsimons, also rendered as FitzSimons). Leading man Brian Keith was also Maureen O'Hara's co-star in "The Parent Trap" which they completed immediately before "The Deadly Companions" and which premiered on June 12, 1961, six days after the Tucson premiere of "The Deadly Companions". They re-teamed for one additional film, 1966's "The Rare Breed", which top-billed James Stewart. Cinematographer William H. Clothier also worked on "The Rare Breed" as well as two other films with Maureen O'Hara, 1963's "McLintock!" and 1971's "Big Jake", both starring John Wayne. The Deadly