Last time I saw one of them interviewed Sid and Marty Krofft had a very anti-drug stand point and hated that their shows were loved by stoned college students, as that was not the audience they were aiming for.
Film buffs will recognize John-Anthony Bailey from New Wave Hookers (with Traci Lords!) and The Kentucky Fried Movie, however his greatest performance was undoubtedly as "Negro," the Virgil-like figure in Devil in Miss Jones Parts 3 & 4.