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Sian Barbara Allen

Sian Barbara Allen

Actor, Writer

Born July 12, 1946 in Reading, Pennsylvania, USA

Died March 31, 2025

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Biography

Sian Barbara Allen was born Barbara Susan Levey in Reading, Pennsylvania, on July 12, 1946. She later adopted her stepfather's surname (Pokrass). She had two sisters. She studied at the Pasadena Playhouse from 1964 to 1965. Her performance as the mentally challenged Kathleen in You'll Like My Mother (1972), opposite Patty Duke, Rosemary Murphy, and Richard Thomas, earned her a 1973 Golden Globe nomination for "Most Promising New Actress".

While working on 'You'll Like My Mother,' Allen met and fell in love with the man playing her character's psychopathic brother, actor Richard Thomas. The two began a relationship that lasted for several years in the 1970s. Thomas went on to play John-Boy on the hit TV show The Waltons (1972). When the writers of "The Waltons" wanted to do a love story for John-Boy in the first season, Thomas suggested that his real-life girlfriend play his onscreen love interest. Allen appeared as Jenny Pendleton in the episode The Love Story (1973), which earned Thomas his Emmy award in 1973, and in The Thanksgiving Story (1973).

Allen portrayed the titular character Peggy Johns in the 1973 TV movie Scream, Pretty Peggy (1973), with Bette Davis and Ted Bessell. Allen worked steadily as a TV actress throughout the 1970s, appearing on such shows as The Rockford Files (1974), Ironside (1967), Bonanza (1959), Gunsmoke (1955), and many others. She also wrote a script for an episode of the fourth season of Baretta (1975). Her last onscreen role was in the L.A. Law (1986) episode Whatever Happened to Hannah? (1990).

Allen ended her acting career after marrying and giving birth to a daughter. She later channeled her creativity into writing. She was the older sister of flash-fiction author, editor, and teacher Meg Pokrass.

Allen died in 2025, aged 78, after a long battle with Alzheimer's disease.

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SMASH-UP ON INTERSTATE 5 (1976) TVM

Filmography

Actor

39

Type

Year

L.A. Law Poster

L.A. Law TV Series1986Diane Campbell

Cagney & Lacey Poster

Cagney & Lacey TV Series1981Rhoda Duggan

Darkroom Poster

Darkroom TV Series1981Brenda

Falcon Crest Poster

Falcon Crest TV Series1981Mrs. Perkins - Adoption Agency Clerk

Sword of Justice Poster

Sword of Justice TV Series1978Emily

W.E.B. TV Series1978Angelica Hutton

The Incredible Hulk Poster

The Incredible Hulk TV Series1977Kathy Allen

Captains and the Kings Poster

Captains and the Kings Mini-Series1976Cara Leslie

Kingston: Confidential Poster

Kingston: Confidential TV Series1976Cynthia Marlowe

Smash-Up on Interstate 5 Poster

Smash-Up on Interstate 5 TV Movie1976Barbara Hutton

The Lindbergh Kidnapping Case Poster

The Lindbergh Kidnapping Case TV Movie1976Anne Morrow Lindbergh

Baretta TV Series1975Ellen

Eric TV Movie1975Marilyn Porter

Kate McShane Poster

Kate McShane TV Series19751 episode, 1975

Billy Two Hats Poster

Billy Two Hats Feature Film1974Esther Spencer

Lucas Tanner Poster

Lucas Tanner TV Series1974Donna

The Rockford Files Poster

The Rockford Files TV Series1974Sandra Turkel

Kojak TV Series1973Lyndsey Walker

Police Story Poster

Police Story TV Series1973Dana Vernon

Scream, Pretty Peggy Poster

Scream, Pretty Peggy TV Movie1973Peggy Johns

The Thanksgiving Story Poster

The Thanksgiving Story TV Movie1973Jenny Pendleton

The Family Rico Poster

The Family Rico TV Movie1972Nora

The Scarecrow Poster

The Scarecrow TV Movie1972Amelia Reddington

The Waltons Poster

The Waltons TV Series1972Jenny Pendleton

You'll Like My Mother Poster

You'll Like My Mother Feature Film1972Kathleen

Alias Smith and Jones Poster

Alias Smith and Jones TV Series1971Sister Grace

Columbo TV Series1971Shirley Blaine

O'Hara, U.S. Treasury Poster

O'Hara, U.S. Treasury TV Series1971Sheridan Lee

Owen Marshall, Counselor at Law Poster

Owen Marshall, Counselor at Law TV Series1971Meredith Carson

Love, American Style Poster

Love, American Style TV Series1969Jane

Marcus Welby, M.D. Poster

Marcus Welby, M.D. TV Series1969Carrie Brandon Lyman

The Bold Ones: The Lawyers Poster

The Bold Ones: The Lawyers TV Series1969Lauren Hazelwood

Adam-12 TV Series1968Sparky

Hawaii Five-O Poster

Hawaii Five-O TV Series1968Kati Parisa

Ironside Poster

Ironside TV Series1967Susan Todd

The F.B.I. Poster

The F.B.I. TV Series1965Bridy Nolan

The Mike Douglas Show Poster

The Mike Douglas Show TV Series1961Self - Actress

Bonanza TV Series1959Teresa Burnside

Gunsmoke Poster

Gunsmoke TV Series1955Allie Dawson

Writer

1

Baretta TV Series1975

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