#15: Mr. Furley Was Written as a Don Knotts Type Before Don Knotts Was Cast
When producers set out to replace the Ropers, they originally envisioned Mr. Furley as a character in the style of Don Knotts. They searched for an actor who could capture that nervous, high-energy, physical comedy without actually being Knotts himself.
After failing to find the right fit, the producers made an obvious but unexpected move: they went directly to Don Knotts. Casting the real thing solved the problem instantly. Knotts brought his signature timing and physicality to Mr. Furley, giving the show a major boost during a turbulent period.