Early last month, Larry Mollin (executive producer, Beverly Hills, 90210) asked me for a favor: Would I be willing to go to Nicholas Pryor’s home and film an interview with him?

Would I ever?!

Pryor, of course, is best known to teen drama fans as Chancellor Arnold, whom he played on “Beverly Hills, 90210” for nearly 30 episodes across seasons 4-7. In addi…