Madlyn Soloman Rhue (October 3, 1935 – December 16, 2003) was an American character actress.
Rhue was born in Washington, D.C. From the 1950s to the 1990s, Rhue (née Madeleine Roche) appeared in some twenty films, including Operation Petticoat (1959) A Majority of One (1960) and It's a Mad, Mad, Mad, Mad World (1963). She also was a guest star in dozens of TV shows, including a 1967 appearance as Khan Noonien Singh's love interest (Lieutenant Marla McGivers) in the Star Trek episode "Space Seed". Rhue previously played the spouse of another Ricardo Montalbán character in an episode of Bonanza in 1960.
Other guest appearances included Cheyenne in 1955, Have Gun - Will Travel, Gunsmoke and Rawhide in 1959, Perry Mason, Pony Express and The Alaskans in 1960, The Alfred Hitchcock Hour in 1963, The Man from U.N.C.L.E. in 1964, Daniel Boone in 1965, The Fugitive in 1964 & 1966, The Wild Wild West in 1967, Hawaii Five-O in 1968, Bracken's World in 1969/1970, Mission: Impossible in 1972, Fantasy Island in 1978, and Charlie's Angels in 1979. She also made appearances on Match Game from 1974-1976.
In 1962, Rhue married actor Tony Young, but they divorced in 1970.
In 1977, Rhue was diagnosed with multiple sclerosis. She continued to work, including a role on Days of our Lives, but by 1985, she needed a wheelchair and was limited to parts that did not require her to walk or stand, such as a recurring role in the CBS cop show Houston Knights, with Michael Beck and Michael Pare.
She died from pneumonia at the Motion Picture & Television Country House and Hospital in Woodland Hills, California, aged 68.