In 1963, she appeared as Marian Stuart, wife of the title character, in Perry Mason's, "The Case of the Decadent Dean."

Tetzel's stage debut came iin Lorelei (1938) at the Longacre Theatre in New York City.

[7] As a noted stage actress, her photo appeared on the front cover of Life Magazine on Monday 16 February 1948.

[8] Tetzel's other Broadway credits include The Winner (1953), Red Gloves (1948), Strange Bedfellows (1947), Pretty Little Parlor (1943), Peepshow (1943), Harriet (1942), The Damask Cheek (1942), and The Happy Days (1940).

[6] Tetzel died October 31, 1977, at her home Beri-Be-Dahn, Fairwarp, Sussex, England, aged 56, from cancer and pneumonia.