Colleen Dewhurst was a Canadian-American actor. She was known for her theater roles. She was very well known for her work in the stage show of Eugene O’Neill in New York Shakespeare Festival. She had even done many television series and movies. She was born in Quebec. She was the only child of Ferdinand Augustus. Her father was the owner of sweets and chocolate stores. They moved to Massachusetts in 1928 and later moved to New York City. She attended the Whitefish Bay High School and then attended the Shorewood High School. She did her graduation from Riverside High School in 1942. She went to Milwaukee-Downer College. After this, she started with her acting career. She started her career with Taming of the Shrew in 1956. She played the role of Katharina. She later appeared in All the Way Home in 1961.

She won the Best Featured Actress in the Award. She was also seen in A Moon for the Misbegotten in 1974. She played the role of Josie Hogan and won the Tony Award for it. She was seen in Cleopatra and Lady Macbeth of Shakespeare. She did work in Night Fever for Alfred Hitchcock in the year 1965. She even got to work with José Quintero in his directorial Mourning Becomes Electra and Long Day's Journey into Night. She was seen in the adoption of Ballad of the Sad Cafe along with Ben Gazzara. She had also appeared in "I Don't Belong in a White-Painted House" which was a medical drama. In 1972, she played the role in The Cowboys as Mrs. Kate Collingwood. She was starred opposite John Wayne. She was also a part of the various episodes of Road to Avonlea. She married James Vickery in 1947. In 1960, they got divorced.

Then she got married to George C. Scott. The couple had two sons. She had two Tony Awards and four Emmy Awards in her lifespan. She was even the president of Actors' Equity Association. She died in 1991due to cervical cancer.