Mary Webster
​Mary Webster is a British actress best known for her 45 appearances as Sarah Onedin in the BBC nautical drama The Onedin Line (1971-79).
Webster's first television appearance was in The Man from the South for Cameo Theatre (1955). She went on to appear in, among others, A Christmas Carol (1958), William Tell (1958), The Moonstone (1959), Dixon of Dock Green (1963), Dr Finlay's Casebook (1963), Redcap (1964), Danger Man (1965), The Troubleshooters (1966), Adam Adamant Lives! (1966), Jackanory (1968), Softly, Softly (1968), Z-Cars (1970), and The Onedin Line (1971-79).
She appeared in the 1961 film Master of the World.
Webster is married to William Slater, who directed several episodes of The Onedin Line.
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The Tin Star

The Delicate Delinquent

Master of the World
The Clown and the Kid

Eighteen and Anxious

The Twilight Zone

Black Saddle

The Twilight Zone

The George Burns and Gracie Allen Show

Father Knows Best

The Onedin Line

Public Defender

Route 66

The Wednesday Play

Detective
