This is the second and final credited appearance of Mike Lyon in the series.
This is the fifth and final credited appearance of Kevin Somers in the series.
Les Lye's character for the Police Interrogator is an obvious imitation of actor John Wayne.
Mike Lyon was called to the set to stand in front of the camera for a "production" shot that would be used in closing the show, not knowing it would involve a surprise pie in the face.
Scott Sandeman (uncredited) fills in on some of the classroom scenes.