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Marta Kristen

b. 1945

Norwegian-American actress

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About Marta Kristen

Born 1945. Marta Kristen is an American television actor, film actor and actor.

Martha Annalise Soderquist (born 26 February 1945), known by her stage name Marta Kristen, is an American actress. Born as Birgit Annalisa Rusanen in Norway to a Finnish mother and a German father, she was adopted by an American couple in 1949.

Kristen is best known for her role as Judy Robinson, the oldest child of Professor John Robinson and his wife, Maureen, in the television series Lost in Space (1965–1968). Her character was a young adult, around 20 years of age.

Early life Kristen was born Birgit Annalisa Rusanen in Oslo, Norway, as a war child to a Finnish mother and a German soldier father during the Lapland War that was fought between Finland and Nazi Germany. Her father was killed during World War II, and her mother gave up little Birgit to save her the pain of growing up knowing her real parents were part of the Nazi regime or Third Reich. Birgit spent her first years in an orphanage in Norway, and was then adopted in 1949 by a couple from Detroit, Michigan, Harold Oliver Soderquist and his wife, Bertha, who renamed her Martha Annalise Soderquist. Her adoptive father was a professor of education at Wayne State University, also in Detroit. Kristen has one brother, whom her parents also adopted.

In 1959, Kristen moved to the Los Angeles area while her father was on sabbatical leave from his professorship. She remained there with a guardian and graduated from Santa Monica High School. until 2016, when Kristen announced on her Facebook page that Kane had died.

Selected filmography The Loretta Young Show (1960) (Season 8 Episode 7: The Glass Cage) as Bonnie My Three Sons (1960) (Season 1 Episode 11: The Mechanic) as Peggy Meredith (Pig) Robbie’s love interest Leave It to Beaver (1961) (Season 4 Episode 25: "Wally and Dudley") as Christine Staples Alfred Hitchcock Presents (1961) (Season 6 Episode 31: "The Gloating Place") as Marjorie Stone Alfred Hitchcock Presents (1961) (Season 7 Episode 2: "Bang! You're Dead") as Jiffy Snack Girl My Three Sons (1962) (Season 3 Episode 14: "Going Steady") as Linda Francis The Dick Powell Show (1963) (Season 2 Episode 26: "The Third Side of a Coin") as Joan Kent Two-part crossover: Dr. Kildare (1963) (Season 3 Episode 9: "Four Feet in the Morning") as Darleen Landon The Eleventh Hour (1963) (Season 2 Episode 9: "Four Feet in the Morning") as Darleen Landon My Three Sons (1964) (Season 5 Episode 2: "A Serious Girl") as Lorraine Pendleton The Man from U.N.C.L.E. (1964) (Season 1 Episode 11: "The Neptune Affair") as Felicia Lavimore The Greatest Show on Earth (1964) (Season 1 Episode 21: "Clancy") as Billie Jo Mr. Novak (1964) (Season 1 Episode 30: "The Senior Prom") as Gail Andrews Wagon Train (1965) (Season 8 Episode 16: "The Wanda Snow Story") as Wanda Snow Beach Blanket Bingo (1965) (Feature Film Unrated 1h 38m) as Lorelei Lost in Space (1965 - 1968) (3 Seasons 84 Episodes) as Judy Robinson Insight (1969) (Season 1 Episode 317: "Is the 11:59 Late This Year?") as Chick The Mephisto Waltz (1971) (Feature Film R 1h 55m) as Party Guest (uncredited) Mannix (1965) (Season 6 Episode 15: "A Game of Shadows") as Aileen Terminal Island (1973) (Feature Film R 1h 28m) as Lee Phillips Once (1973) (Feature Film R 1h 40m) as Humanity Gemini Affair (1975) (Feature Film X 1h 32m) as Julie Project U.F.O. (1978) (Season 1 Episode 11: "Sighting 4011: The Dollhouse Incident") as Anita Battle Beyond the Stars (1980) (Feature Film PG 1h 44m) as Lux Remington Steele (1982) (Season 1 Episode 4: "Signed, Steeled and Delivered") as Blonde Fame (1985) (Season 4 Episode 17: "Danny De Bergerac") as Dede Callahan Trapper John, M.D. (1985) (Season 6 Episode 20: "In the Eyes of the Beholder") as Mrs. Christopher Wildside (1985) (Season 1 Episode 3: "The Crimea of the Century") as Ellen Jonsen Scarecrow and Mrs. King (1987) (Season 4 Episode 14: "Rumors of My Death") as Lena Spickens Strange Voices (1987) (TV Movie Not Rated 1h 40m) as Mona Murphy Brown (1994) (Season 6 Episode 18: "Fjord Eyes Only") as Norwegian Mom Panic in the Park (1995) (Video Game) as Annabelle Lee Harvest of Fire (1996) (TV Movie PG 1h 39m) as Martha Troyer Below Utopia (1997) (Feature Film R 1h 28m) as Marilyn Beckett Lost in Space (1998) (Feature Film PG-13 2h 10m) as Reporter #1 The Bolt Who Screwed Christmas (2009) (Short Film 7m) as Mrs. Ratchet(voice) Lost in Space: The Epilogue (2015) (Video) as Judy Robinson Ageless (2016) (TV Short 18m) as Phyllis Breaking Point (2018) (Short) as Debby The Vamps Next Door (2019) (Season 6 Episode 1: "Party in the Cul-De-Sac") as Astrid The Vamps Next Door (2019) (Season 6 Episode 2: "Chaos in the Cul-De-Sac") as Astrid The Vamps Next Door (2019) (Season 6 Episode ?: "Beverly's Birthday Bash") as Astrid Last Day (2021) (Short 16m) as Mila Brenda & Oliver (2022) (Short) as Brenda A Reluctant Heart (2022) (Feature Film - Original title: A Bachelor's Valentine) as Inez Burr Benny the Barnacle (2022) (Animation - Believing is Seeing Episode aired Dec 23, 2022) as Serenity Seahorse

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Important facts

Birth century
Nationality
Education
Hollywood Professional School
Also known as
Birgit Annalisa Rusanen, Martha Soderquist

People in Marta Kristen's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Marta Kristen's

Frequently asked questions

Who is Marta Kristen?

Norwegian-American actress

When was Marta Kristen born?

Marta Kristen was born on 26 February 1945 in Oslo.

What is Marta Kristen's occupation?

Marta Kristen is a television actor, film actor and actor.

What nationality is Marta Kristen?

Marta Kristen is American.

Sources & further reading

Β· Wikipedia: Marta Kristen

Β· Wikidata: Q460803

Β· DBpedia: Marta Kristen

Cite this page

APA: Biography.guide. (2026). Marta Kristen. https://biography.guide/marta-kristen/

MLA: "Marta Kristen." Biography.guide, https://biography.guide/marta-kristen/.

Chicago: "Marta Kristen." Biography.guide. https://biography.guide/marta-kristen/.

Data last updated: 2026-09-23 Β· Spot an error? Report a correction.

Portrait: Wikimedia Commons Β· author & licence

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