Mal found himself some religion of evil in season 7.
Sandy could have played Principal Flutie according to the unaired pilot.
Jack Tripper could have been Buffy's stepfather, had he not been a robot.
Stars of 24 were here too. Roger Stanton was head of the Watchers Council, Wayne Palmer was Sunnydale High's last principal and Secret Service agent Aaron Pierce is the father of a teen who might trying to kill herself in season 7.