https://youtu.be/2ahpgVVIfzE?t=2332
Before Tim Reid, 32, Paul Mooney, 36, Marsha Warfield, 23, Argus Hamilton, 26, Robin Williams, 26, Sandra Bernard, 22, and John Witherspoon, 35, had their own comedy shows and/or sitcoms, they were part of The Richard Pryor Show. Whoever did the casting for that 1977 variety show truly had an eye for excellent talent. Look how many future stars they discovered before they had their first big roles.