Murray will play Edgar Evernever on the popular teen drama, reported Entertainment Weekly.
Evernever is the enigmatic leader of the cult-like Farm. He arrives in Riverdale to spread his teachings and heal the ravaged soul of the once-wholesome town. He appears to be a charming and handsome guru, but underneath may lie his more sinister agenda.
Evernever has been discussed on the show many times but has not yet made an appearance.
Its third season premiered October 10 and was renewed for a fourth installment in January.
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