Phyllis St. Felix Thaxter (November 20, 1919 – August 14, 2012) was an American actress. She is best known for portraying Ellen Lawson in Thirty Seconds Over Tokyo (1944) and Martha Kent in Superman (1978). She also appeared in Bewitched (1945), Blood on the Moon (1948), and The World of Henry Orient (1964).

Thaxter was born in Portland, Maine, one of three children of Phyllis (née Schuyler) Thaxter, a former actress, and Sidney St. Felix Thaxter, who later served as a Justice of the Maine Supreme Court.^[2]

Phyllis Thaxter's siblings were Sidney Thaxter and Hildegarde Schuyler Thaxter Niss Gignoux.^{[citation needed]}

Her grandfather was Major Sidney W. Thaxter, who was awarded the Medal of Honor during the American Civil War.^{[citation needed]}

Before appearing in films, Thaxter was on the stage. When Dorothy McGuire went to Hollywood, Thaxter replaced her in the Broadway play Claudia.^[3] In 1944, she signed a contract with Metro-Goldwyn-Mayer. Her movie debut was opposite Van Johnson in the 1944 wartime film Thirty Seconds Over Tokyo.^[2] In the 1945 film-noir Bewitched, Thaxter played Joan Alris Ellis, a woman with split personality. In 1948, she played a cattle owner's daughter in Blood on the Moon.

Thaxter appeared in television series such as Rawhide, portraying Pauline Cushman in the episode "The Blue Spy" (1961), The Alfred Hitchcock Hour, portraying a paralyzed wife being terrorized by her husband in the episode "The Long Silence" (1963), Wagon Train ("The Christine Elliott Story" and "The Vivian Carter Story"), The Twilight Zone ("Young Man's Fancy"), and Alfred Hitchcock Presents.^[4]

She returned to Broadway, appearing in Take Her, She's Mine at the Biltmore in 1961.^[5]

In 1978, Thaxter was cast with Glenn Ford as Jonathan and Martha Kent in the blockbuster film Superman.

Patricia Bosworth, in her biography of Montgomery Clift, tells of Thaxter's close relationship with Clift in the early 1940s, writing that they "seemed so close that a great many people assumed they would eventually marry".^[3]

While at MGM, Thaxter married James T. Aubrey Jr., who later became president of CBS-TV and MGM. They divorced in 1962. They had two children: Susan Schuyler "Skye" Aubrey, an actress, and James Watson Aubrey. In 1962, Thaxter married Gilbert Lea. They were married for 46 years until his death on May 4, 2008.^[6]

A Republican, she supported the campaign of Dwight Eisenhower in the 1952 presidential election.^[7]

Thaxter died on August 14, 2012, aged 92, in Longwood, Florida after an eight-year battle with Alzheimer's disease.^[2][8]

She was cremated, and her ashes were scattered in Maine.^[9]