She was born Doris Bernice Jensen on October 23, 1922 in Staplehurst, Nebraska, the daughter of a farmer. After graduating from high school, she studied drama at Hamline University, and graduated cum laude with a Bachelor of Arts. She travelled to California, and worked as a waitress in a restaurant in La Jolla. After several weeks there, she moved to Los Angeles and enrolled at the University of California. She also worked in the school's library and at a YWCA while a student.
She had leading roles in the Los Angeles stage productions Letters to Lucerne and Brief Music, which won her a 20th Century Fox contract in 1944.
Gray married Rod Amateau, a Screenwriter, on August 10, 1945; they divorced on February 11, 1949, and had one daughter, Susan (born 1946). Gray's second husband was william Clymer Bidlack, an aviation executive. They were married from July 14, 1953, until his death in 1978. The union produced a son, Bruce Robin Bidlack (born 1954).
Gray worked steadily in the 1950s, but mostly in smaller movies. She played a crooked nurse in The Sleeping City (1950) and appeared in Kansas City Confidential (1952) and in the Stanley Kubrick film noir The Killing (1956), in which she played a lonely woman desperate for love. In the 1953 Western The Vanquished, she played a woman who attacks Jan Sterling with a pair of scissors in a crazed attempt to exonerate the man she loves (John Payne). Other films included Father Is a Bachelor (1950), The Leech Woman (1960), The Phantom Planet (1961), and P.J. (1968).
From the 1950s, Gray guest-starred in episodes of television series such as Four Star Playhouse, Maverick, Alfred Hitchcock Presents, Perry Mason, Mr. Ed, Rawhide in 1962 in the episode "The Devil and the Deep Blue" as Helen Wade, 77 Sunset Strip, Bonanza, The Deputy, Have Gun Will Travel, The Dakotas, Family Affair, Ironside,The Name of the Game and Branded. On May 23, 1962, she was cast as Miss Wycliffe in the series finale, "A Job for Summer", of the CBS comedy/drama series, Window on Main Street, starring Robert Young as a widowed author in his hometown. She made four guest appearances on Perry Mason, including the title role of defendant Lorraine Kendall in the 1960 episode, "The Case of the Wandering Widow."
In 1964, along with actors Victor Jory and Susan Seaforth, Gray testified before the United States Congress as part of "Project Prayer," arguing in favor of a constitutional amendment allowing school prayer.
Gray appeared in The Late Liz (1971), and acted in the films Forgotten Lady (1977), and Mother (1978) with Patsy Ruth Miller. Mother had a premiere at the Museum of Modern Art in New York City. Both Mother and Forgotten Lady were written for Gray by Brian Pinette, who also served as Director and Producer. She appeared in the religious film Cry From the Mountain (1986, in the USA), directed by James F. Collier.
In 1979, Gray married widowed biblical scholar Joseph Fritz Zeiser; they remained together until his death in March 2012. They worked together in Presbyterian causes and the non-profit organization, Prison Fellowship, founded in 1976 by Chuck Colson, a convicted felon in the Watergate scandal. Prison Fellowship assists the church in ministering to prisoners and their families and victims. Gray was a staunch conservative Republican.
Gray died in her Bel Air, Los Angeles home on August 3, 2015, of natural causes. She was 92 years old.
