"There was a detective on the GET SMART TV series called Harry Hoo, who was a spoof of Charlie Chan. Harry Hoo appeared in two episodes of that program."
Harry Hoo was portrayed by Joey Foreman in "The Amazing Harry Hoo" and "Hoo Done it." Foreman also played the role of Agent Thirteen in the Maxwell Smart movie "The Nude Bomb." Shortly after appearing in that movie, Joey Forman died of a respiratory ailment. Previous to playing Harry Hoo, Foreman had also portrayed an attorney in an earlier "Get Smart" episode.