Although prolific during the early 1950s, her film career faded by the end of the decade. In 1958, she performed in four episodes as Margarita Cortazar on Walt Disney's ABC series, "Zorro". In 1958, she also appeared as "The Lady" Diana Coulter in Richard Boone's CBS Western series, "Have Gun, Will Travel". She was then cast in an episode of Darren McGavin's NBC Western series, "Riverboat". In 1960, she was cast as different characters in two episodes ("Fair Game" and "The Earl of Durango") of the ABC Western series, "The Rebel". Medina also made television appearances on "Perry Mason" ("The Case of the Lucky Loser", 27 September 1958); "Bonanza" ("The Spanish Grant", 6 February 1960), Thriller ("The Premature Burial", 1961), "The Alfred Hitchcock Hour" ("See the Monkey Dance", 9 November 1964) and "The Man from U.N.C.L.E" ("The Foxes and Hounds Affair", 8 October 1965). Medina guest starred as Ruthanne Harper in "Incident of the Boomerang" in 1961 and Ilona Calvin in "Incident at Jacob's Well" in 1959, on "Rawhide". She also guest-starred in the "Branded" episode "Yellow for Courage" in 1966 and the "Burke's Law" (Gene Barry as Amos Burke) TV episode "Don Pablo" in 1967.