---
name: "Peggy Knudsen"
canonical: "https://film.one/person/peggy-knudsen"
fi1m_id: "peggy-knudsen"
imdb_id: "nm0461739"
tmdb_id: 13978
wikidata_id: "Q3088215"
roles: []
born: "22 April 1923"
died: "11 July 1980"
reviewed_on_fi1m: 1
average_over: 1
updated: "2026-09-17T20:12:53.490554+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Peggy Knudsen

## Identity

Peggy Knudsen

- **Canonical:** https://film.one/person/peggy-knudsen
- **Type:** Person
- **Fi1m ID:** peggy-knudsen
- **IMDb ID:** nm0461739
- **TMDB ID:** 13978
- **Wikidata ID:** Q3088215
- **Same entity:** https://www.wikidata.org/wiki/Q3088215, https://www.imdb.com/name/nm0461739/, https://www.themoviedb.org/person/13978

Actor. Born 22 April 1923 in Duluth, Minnesota, USA. Died 11 July 1980.

## Details

- **Born:** 22 April 1923, Duluth, Minnesota, USA
- **Died:** 11 July 1980
- **Also known as:** Margaret Ann Knudsen
- **Elsewhere:** https://www.wikidata.org/wiki/Q3088215, https://www.imdb.com/name/nm0461739/, https://www.themoviedb.org/person/13978

## Biography

Peggy Knudsen, also credited as Margaret Ann Knudsen, was an American character actress. Born in Duluth, Minnesota, she made her Broadway debut in *My Sister Eileen* in 1940 before beginning her film career in 1946.

Her early film roles included *A Stolen Life* (1946), *The Big Sleep* (1946) as Mona Mars, and *Humoresque* (1946). She appeared in further films such as *Stallion Road* (1947) and *Istanbul* (1957), and took guest roles in television series including *Alfred Hitchcock Presents* (1955) and *Perry Mason* (1957). Knudsen received a star on the Hollywood Walk of Fame for her television work.

She retired from acting in the mid-1960s.

*Sources: en.wikipedia.org, imdb.com, findagrave.com.*

## On Fi1m (1)

- *The Big Sleep* (1946), Fi1m 84, as Mona Mars — [page](https://film.one/film/the-big-sleep.md)

## Also known for

- *Alfred Hitchcock Presents* (1955), Herta Cowell
- *Perry Mason* (1957), Marie Chapman, Sheila Bowers
- *Humoresque* (1947), Florence Boray
- *A Stolen Life* (1946), Diedre

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/peggy-knudsen