Elizabeth Ann Theresa Lynn (August 29, 1926 – October 16, 2021) was an American actress. Description above from the Wikipedia article Betty Lynn, licensed under CC-BY-SA, full list of contributors on Wikipedia.

KNOWN FOR

The Andy Griffith Show
1961
Little House on the Prairie
1974
Matinee Theater
1956
Matlock
1986
My Three Sons
1968
Lawman
1958
Family Affair
1966
Bronco
1959
M Squad
1958
Sugarfoot
1959
The Mod Squad
1969
Studio 57
1955

FILMOGRAPHY

All
Movies
TV
Acting
49
2021
The Mayberry Effect
as Betty Lynn
2000
E! True Hollywood Story
1990
Shades of L.A.
1986
Return to Mayberry
as Thelma Lou
1986
Matlock
as Sarah
1976
Gibbsville
as Leora Kanzler
1974
Little House on the Prairie
as Bridget
1972
The Mod Squad
as Nurse Kearny
1970
The Boy Who Stole the Elephant
as Lottie Ladare
1970
The Wonderful World of Disney
as Lottie Ladare
1969
The Mod Squad
1969
My Three Sons
as Janice Dawson
1968
My Three Sons
1968
My Three Sons
as Janet Dawson
1967
The Singles
1967
My Three Sons
as Lois Bradley
1966
Family Affair
as Miss Lee
1961
The Andy Griffith Show
as Thelma Lou
1960
Texas John Slaughter: Geronimo's Revenge
as Viola Slaughter
1960
National Velvet
1960
The Wonderful World of Disney
as Viola Slaughter
1959
The Louisiana Hussy
as Lili Guillot
1959
The Hangman
as Molly
1959
Bronco
1959
Sugarfoot
as Sarah Sears
1959
Sugarfoot
as Alice Fenton
1958
M Squad
as Susan Baines
1958
Lawman
1956
Behind the High Wall
as Anne MacGregor
1956
Meet Me in Las Vegas
as Young Bride
1956
Gun for a Coward
as Claire
1956
Matinee Theater
1955
Cavalcade of America
as Beth Shearer
1955
Schlitz Playhouse of Stars
as Lois Harlow
1955
Studio 57
as Jeanna Collins
1954
Schlitz Playhouse of Stars
as Nan Tolland
1953
Cavalcade of America
1953
Where's Raymond?
as June Wallace
1953
Revlon Mirror Theatre
as Mary
1951
Payment on Demand
as Martha Ramsey
1951
Take Care of My Little Girl
as Marge Colby
1951
Schlitz Playhouse of Stars
1951
The Egg And I
as Betty
1950
Cheaper by the Dozen
as Deborah Lancaster
1949
Mother Is a Freshman
as Susan Abbott
1949
Father Was a Fullback
as Connie Cooper
1948
June Bride
as Barbara 'Boo' Brinker
1948
Apartment for Peggy
as Wife
1948
Sitting Pretty
as Ginger