Mariann Mayberry is an American television and stage actress. She is best known for the films Dogman/Dogman 2: The Wrath of the Litter, Handsome Harry, War of the Worlds, and The Company. Other film credits include Life Sentence, The Pennsylvania Miners' Story, Since You've Been Gone, and No God, No Master.
Broadway credits include her debut as Candy Starr in One Flew Over the Cuckoo's Nest (Royale Theatre); Karen Weston in August: Osage County (Imperial/Magic Box Theatres); and Eurydice/Others in Metamorphoses (Circle in the Square Theatre). Off-Broadway theatre credits include Charlotte in Go Back to Where You Are (Peter Jay Sharp Theatre) and Leonardo in The Notebooks of Leonardo Da Vinci (Second Stage Theatre).
As an ensemble member of the Steppenwolf Theatre Company in Chicago, Mariann has appeared as Shelley in Grand Concourse, Diana in Russian Transport, Athena in Argonautika, and in her JEFF Award-winning role, Margie Walsh in Good People.