TV Shows/My Three Sons/Season 10/S10E23
S10E23
14 Mar 1970

Mister X

My Three Sons – Season 10

A bearded man of mystery confounds the Douglas family and the authorities alike, while Steve is working on a top priority project at home. Barbara soon identifies him as her former father-in-law.

Cast

Fred MacMurray

Fred MacMurray

Steve Douglas

Don Grady

Don Grady

Robbie Douglas

Stanley Livingston

Stanley Livingston

Chip Douglas

Barry Livingston

Barry Livingston

Ernie Thompson

William Demarest

William Demarest

Charley O'Casey

Beverly Garland

Beverly Garland

Barbara

Tina Cole

Tina Cole

Katie

Dawn Lyn

Dawn Lyn

Dodie Harper Douglas

Lew Ayres

Lew Ayres

Charles Bateman

Charles Bateman

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