Posted: Sun., Oct. 7, 2001, 6:42pm PT

Mischa Barton

By Jill Feiwell

Barton

Mischa Barton ("Lost and Delirious") has booked an eight episode arc on ABC's "Once and Again." Thesp is currently in production on the first episode, skedded to air Nov. 30. She will next be seen in Universal's "Dragonfly" and toplines the Disney telepic "Ring of Endless Light," also slated to air next month.