Lisa Gerritsen

Lisa Gerritsen is an American former child actress. She is most famous for her role as Bess, the independent-minded daughter of Phyllis Lindstrom on the 1970s television series The Mary Tyler Moore Show and its spin-off Phyllis.

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THE MARY TYLER MOORE SHOW · S1, E1

Love Is All Around

Mary's ex-boyfriend, Bill, shows up from out of town and she invites him to her apartment that night; the evening proves to be a disaster when Lou shows up intoxicated and insists upon using her typewriter to write a letter to his wife.
THE MARY TYLER MOORE SHOW · S1, E3

Bess, You Is My Daughter Now

Mary enjoys a temporary taste of motherhood when Phyllis asks her to baby-sit Bess for a few days.
THE MARY TYLER MOORE SHOW · S2, E1

The Bird...and...um...Bees

Mary is suddenly considered a sexual guru after producing a documentary entitled "What's Your Sexual I.Q.?"
THE MARY TYLER MOORE SHOW · S2, E5

A Girl's Best Mother Is Not Her Friend

Rhoda's mother comes to visit and decides to bridge the mother/daughter gap by becoming Rhoda's new best friend.
THE MARY TYLER MOORE SHOW · S3, E12

It Was a Fascination, I Know

Mary suddenly finds herself in the uncomfortable position of being the "other woman" after Phyllis's daughter's 15-year old boyfriend develops a crush on her.