During that time, she guest-starred in several popular shows, including Alfred Hitchcock Presents, Perry Mason, The Fugitive, Bewitched and The Real McCoys.

In 1958, she had a small role in the film noir classic Touch of Evil with Orson Welles, Charlton Heston, Janet Leigh and Marlene Dietrich, followed by more substantial roles in the horror film Monster on the Campus and the Western Ride a Crooked Trail.

From 1958 to 1959, Moore landed guest spots on television, including Westinghouse Studio One, Suspicion, The Rough Riders, Bourbon Street Beat, Bat Masterson, The Real McCoys, Maverick, The Rifleman and Riverboat.

She made a guest appearance on Perry Mason as the title character in the 1958 episode "The Case of the Terrified Typist".

Also that year, she made a second guest appearance on Perry Mason as Grace Olney in "The Case of the Reluctant Model".

During the time, Moore also had an uncredited role as Angie, the widow of Jesse Cole, in Nevada Smith starring Steve McQueen.

Throughout the 1950s and 1960s, Moore also made multiple appearances on The Millionaire, The Andy Griffith Show, The United States Steel Hour, Route 66, Wagon Train, Alfred Hitchcock Presents (and The Alfred Hitchcock Hour), Hawaiian Eye, Alcoa Premiere, Gunsmoke, The Fugitive, The Virginian, The High Chaparral and The F.B.I.

In 1973, she appeared in the television adaption of the 1954 film Three Coins in the Fountain, also starring Yvonne Craig and Cynthia Pepper.

The next year, she was arrested for drunk driving after getting into a fight while she and their children were visiting O'Neal's Malibu home.

[2] By the late 1970s, she was being supported financially by her daughter, Tatum, who had become an Academy Award-winning actress at age 10 and one of the highest-paid child stars of the era.

The children were still in Ryan O'Neal's custody and, despite treatment, Moore continued to be addicted to drugs and alcohol.