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Betty McMahon
• Acting
Betty McMahon
Known For
My Three Sons
66%
Nancy Mosby
1960
His Old Flame
70%
1935
My Three Sons
66%
Nancy Mosby
1960
The Burning Cross
70%
Minor Role (uncredited)
1947
The More the Merrier
70%
Miss Geeskin (uncredited)
1943
George White's 1935 Scandals
70%
Chorine
1935
His Old Flame
70%
1935