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Miriam Flynn (b. 1952) is an actor of screen and voiceover. Her most notable works include Cousin Catherine in the National Lampoon's Vacation films and Grandma Longneck in the Land Before Time series.
Flynn provided the voice of a mall security guard in a 1991 Sesame Street animated segment by ArtistMike. She also provided the voice of Maa in Babe, featuring effects by Jim Henson's Creature Shop (though her character was supplied by another effects outfit).
Early in her career, Flynn was part of the cast of The Tim Conway Show. She would later go on to play various character roles in such productions as Cheers, DuckTales, Taz-Mania, and The Spooktackular New Adventures of Casper.