who is the voice of dean hardscrabble
â¢ Helen Mirren gives voice to Dean Hardscrabble, legendary Scarer and hard-to-please head of Monsters Universityâs prestigious School of Scaring. â¢ Alfred Molina is the voice of Professor Knight, an esteemed professor in Monsters Universityâs School of Scaring. â¢ Dave Foley as Terry Perry, the skeptical half of a bickering two-headed monster and dedicated Oozma Kappa (OK) brother.