Moses is modeled on Charlton Heston's portrayal in the film 'The Ten Commandments.'
The character of Leonard Sheldon is a takeoff on real life television producer Sheldon Leonard, who helped Carl Reiner to develop 'The Dick Van Dyke Show.' Leonard also made the occasional on camera appearance, in films like 'Guys and Dolls' and It's a Wonderful Life.'
Ed MacMahon, Gavin McLeod, Steve Allen, Dick Clark and Joyce Brothers all voiced themselves.