Perry Mason: The Case of the Lethal Lesson Release date: 1989-02-12 Genres: Mystery, Drama, Crime, TV Movie Actors: John DeMita, John Allen Nelson, Karen Kopins, William R. Moses, Alexandra Paul, John LaMotta, Brian Keith, Mark Rolston, Raymond Burr, Marlene Warfield, Barbara Hale, Charley Lang, Raye Birk, Richard Allen, Leslie Ackerman, Kathryn Christopher, Brian Backer, Albert Valdez Runtime: 1 h. 35 min. Score: 7.1/10 Votes: 9 Countries: United States of America Companies: Viacom Productions, Dean Hargrove Productions, Fred Silverman Company, Strathmore Productions Overview: Ken Malansky, a law student of Perry Mason's, is accused of murdering a fellow student. Perry is reluctant to take on his case as the victim was the son of a close friend.