Tetzel was born in New York City and grew up in the Spuyten Duyvil section of the Bronx. Her father, an illustrator, was Austrian, and her mother was Scottish-Canadian.
Radio career
Tetzel played in When a Girl Marries and Woman of Courage, both on CBS.
Film career
Tetzel is noted for her performance in Alfred Hitchcock's The Paradine Case, where she played "Judy Flaquer", the daughter of the solicitor played by Charles Coburn in the film. In the movie, she is the confidante and best friend of the wife of defense lawyerAnthony Keane, and is able to objectively see how Keane is ruining his marriage because of his infatuation with Mrs. Paradine. Her other film appearances included Duel in the Sun, The File on Thelma Jordon, Hell Below Zero and Joy in the Morning.
TV career
She also worked with Alfred Hitchcock in his TV seriesAlfred Hitchcock Presents. She played "Eve Ross" in the Alfred Hitchcock Presents episode "Guest for Breakfast". In 1963, she appeared as Marian Stuart, wife of the title character, in Perry Mason's, "The Case of the Decadent Dean." She also made appearances on Thriller and Gunsmoke.
Theater career
Aside from her movie career, Tetzel was a well-known stage actress. She appeared in the 1940 revival of Liliom, the original stage production of I Remember Mama, and portrayed Nurse Ratched in the stage production of One Flew Over the Cuckoo's Nest on Broadway. As a noted stage actress, her photo appeared on the front cover of Life Magazine on Monday 16 February 1948. Tetzel's other Broadway credits include The Winner, Red Gloves, Strange Bedfellows, Pretty Little Parlor, Peepshow, Harriet, The Damask Cheek, and The Happy Days.
Marriages
Her first husband was radio producer John E. Mosman. Her second husband was Oscar Homolka, whom she married in 1949.
Death
Tetzel died October 31, 1977, at her home Beri-Be-Dahn, Fairwarp, Sussex, England, aged 56, from cancer and pneumonia.
Partial filmography
Duel in the Sun - Helen Langford
The Paradine Case - Judy Flaquer
The File on Thelma Jordon - Pamela Blackwell Marshall