Confirm official casting

Has this person been officially confirmed for this role?

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Character Name

Muriel, Edgar's mate, Littlefoot, Shorty and Sunshine's grandmother, Janet's adoptive mother, Bron's mother in law and Littlefoot Jr. and Tyra's great grandmother in the new installment (voice)

Actor/Actress Name

Miriam Flynn

Please give us a URL to a news article, blog post, or other source that can verify this person has been officially chosen for this role.