Biography
Sian Barbara Allen was an American actress who mainly appeared on television throughout the 1970s. A native of Reading, Pennsylvania, Allen appeared in numerous television series in the ensuing years, including recurring appearances on The Waltons, Gunsmoke, and Ironside.
Filmography
Cast Credits

L.A. Law
Character: Diane Campbell
TV • 1986

Cagney & Lacey
Character:
TV • 1982
W.E.B.
Character:
TV • 1978

Sword of Justice
Character:
TV • 1978

The Incredible Hulk
Character: Kathy Allen
TV • 1977

Kingston: Confidential
Character:
TV • 1977

Captains and the Kings
Character: Cara Leslie
TV • 1976

The Lindbergh Kidnapping Case
Character: Anne Morrow Lindbergh
MOVIE • 1976

Smash-Up on Interstate 5
Character: Barbara Hutton
MOVIE • 1976

Eric
Character: Marilyn Porter
MOVIE • 1975

Kate McShane
Character: Barbara Inerson
TV • 1975

Baretta
Character:
TV • 1975

The Rockford Files
Character: Sandra Turkel
TV • 1974

Billy Two Hats
Character: Esther Spencer
MOVIE • 1974

Scream, Pretty Peggy
Character: Peggy Johns
MOVIE • 1973

Kojak
Character:
TV • 1973

Kojak
Character: Lyndsey Walker
TV • 1973

Police Story
Character:
TV • 1973

You'll Like My Mother
Character: Kathleen
MOVIE • 1972

The Waltons
Character:
TV • 1972