Joan O’Brien, the actor who starred in a string of film and television hits throughout the 1950s and 1960s, has died. She was 89.

O’Brien was perhaps best known for her work in the Blake Edwards submarine comedy Operation Petticoat, in which she starred opposite Cary Grant and Tony Curtis.

She also played the love interest of Elvis Presley in 1963’s It Happened at the World’s Fair, and worked with John Wayne in both 1960’s The Alamoand 1961’s The Comancheros.

Her death was confirmed to The Hollywood Reporter by her daughter, Melissa, who did not provide any further details.

O’Brien was born in Cambridge, Massachusetts on February 14, 1936. Her parents, David and Rita, moved the family to California while O’Brien was still a child and enrolled their daughter in dance classes

She was hired as a singer on the television show Hometown Jamboree before she left high school, and performed on bandleader Bob Crosby’s eponymous show from 1954 to 1958

She made her film debut in David Friedkin’s drama Handle with Care in 1958, before landing her breakthrough role as Lt. Dolores Crandall in Operation Petticoat the following year.

In the early 1960s, O’Brien starred in a series of Western movies, including The Alamo, The Comancheros and Six Black Horses. She also appeared in a string of Western television shows including Man Without A Gun, Bat Masterson and Wagon Train.

Other memorable television appearances included playing a high school friend of Dick Van Dyke’s character on The Dick Van Dyke Show who makes his wife (Mary Tyler Moore) jealous

In 1963’s It Happened at the World’s Fair, O’Brien portrayed a nurse who is called upon to care for pilot Mike Edwards (Elvis Presley) at the 1962 World’s Fair in Seattle. The pair memorably dine in a restaurant at the top of the Space Needle and end up falling in love.

After appearing on the spy show The Man From U.N.C.L.E. in 1964 she began a relationship with star Robert Vaughn

Her  marriage, to the retired US military officer Lt. Colonel Malcolm Bernard Campbell, lasted from 1979 until his death in 2004