Liz Sheridan

Elizabeth Ann Sheridan (April 10, 1929 – April 15, 2022) was an American actress. While best known for her roles as the nosy neighbor, Mrs. Ochmonek, on the sitcom ALF (1986–1990), and Jerry's mother, Helen, in Seinfeld (1990–1998), her decades-long career was extensive and included work on the stage and on large and small screens.
Cast

Wedding Bell Blues
Mrs. Samuel Levine

Second Sight: A Love Story
Mrs. Carlisle

Only You
Mrs. Stein

Now You Know
Grandma

The Last Laugh
Self

Generation
Clara
Life with Louie: A Christmas Surprise for Mrs. Stillman
Mrs. Stillman (voice)

A Match Made in Heaven
Ruthie Klein

Changes
Mrs. Hahn

Play the Game
Edna Gordon

James Dean and Me
Self (uncredited)

Surge of Power: The Stuff of Heroes
Self

Jekyll and Hyde... Together Again
Mrs. Larson

Trim
Helen

School Spirit
Mrs. Kingman

Deadline for Murder: From the Files of Edna Buchanan
Wendy Padison

The Secret Life of Kathy McCormick
Mrs. Van Adams

Kate's Secret
Evelyn

Just Add Water
Nanna

Wishman
Ms. Finger

Nickel Mountain
Reception Nurse

In the Custody of Strangers
Caseworker

Avenging Angel
Nurse

Star 80
Makeup Woman

Legal Eagles
Little Old Lady

Forget Paris
Woman in Car

Brain Smasher... A Love Story
Ma Molloy

A Little Romance
Muriel Evans

Warm Hearts, Cold Feet
Amanda McPherson

Escape
Gas Station Attendant
Kramer vs. Kramer: Kenny to Cosmo
Self

Who's That Girl
Nurse #1