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Acting
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.

L.A. Law
as Diane Campbell

Cagney & Lacey
W.E.B.

Sword of Justice

The Incredible Hulk
as Kathy Allen

Kingston: Confidential

Captains and the Kings
as Cara Leslie

The Lindbergh Kidnapping Case
as Anne Morrow Lindbergh

Smash-Up on Interstate 5
as Barbara Hutton

Eric
as Marilyn Porter

Kate McShane
as Barbara Inerson

Baretta

The Rockford Files
as Sandra Turkel

Billy Two Hats
as Esther Spencer

Scream, Pretty Peggy
as Peggy Johns

Kojak

Police Story

You'll Like My Mother
as Kathleen

The Waltons

The Family Rico
as Nora

Scarecrow
as Amelia Reddington

O'Hara, U.S. Treasury

Columbo
as Shirley Blaine

Alias Smith and Jones

Marcus Welby, M.D.
as Carrie Brandon Lyman

Adam-12
as Sparky

Hawaii Five-O
as Kati Parisa

Ironside

The F.B.I.
as Bridy Nolan

Bonanza
as Teresa Burnside

Gunsmoke
as Allie Dawson

Hallmark Hall of Fame
as Marilyn Porter