Actress Sian Barbara Allen, a staple of the television of the 70s, died at the age of 78.
The actress, who played in popular shows such as the Waltons, died on Monday from Alzheimer's disease in Chapel Hill, NC, according to an online death advertisement.
Her sister confirmed her death through a message on Facebook and wrote: 'My great sister, actress Sian Barbara Allen died peacefully today after a long illness. This loss is too difficult. '
Allen, was born in Reading, PA on July 12, 1946, studied her profession in the Pasadena Playhouse from 1964.
The versatile actress was a familiar face on television from 1971 with her appearance on aka Smith and Jones.
Later she was performances on Gunsmoke, the FBI and the popular love, American style.
Actress Sian Barbara Allen died at the age of 78 after a long battle with Alzheimer's disease
Her performance as a mentally challenged young woman in 1972's who you like that my mother gave her a Golden Globe nomination in 1973 for the most promising new actress.
While she was working on that film, she fell in love with her co-star, Richard Thomas and they had been together for several years, according to IMDB.
She was on two episodes of the Waltons in 1973 and played Jenny Pendleton, a young woman who shared a sweet love story with Thomas' John-Boy in two episodes of the family drama.
In the same year, all played with the legendary Bette Davis in the Made for TV Thriller Scream, Peggy Scream, while a young woman hired to take care of Davis, not knowing that the previous caregiver was murdered.
The brunette beauty was the main actress opposite Gregory Peck and Jack Warden in the film Billy Two Hats.
In 1976 she portrayed Anne Morrow Lindbergh in the fact-based TV film The Lindbergh Kidnapping Case.
Over the years she appeared several times on Marcus Welby, MD, as a different character in every episode.
Allen also had guest appearances in staples such as the Rockford files with James Garner and with various performances on Ironside with Raymond Burr.
Seen on Marcus Welby MD in 1972
In an episode of the Waltons in 1973, all played in Jenny Pendleton, a young woman who shares a romance with John-Boy by Richard Thomas. The few men on the 1972 set that you will like and were a few years old
All played with the legendary Bette Davis in the Made for TV Thriller Scream, Peggy Scream, while a young woman was hired to take care of Davis, not knowing that the previous caregiver was killed
With so much experience with crime shows, all tried to write her hand and was hired to make an episode of Baretta, starring Robert Blake, who was shot in 1978. Allen also played in the episode, as Baretta's cousin Ellen.
The last part of all was about the popular LA -Act in 1990, before she acted as an actress for that of wife and mother.
She married fellow actor Peter Gelblum in 1979 and she shared their daughter Emily, later divorced in 2001.
All is survived by her daughter, Gelblum, her sisters, Hannah Davie and Flash Fiction author Meg Pokrass, grandson Arlo Fonseca and Neef Miles Bond.
