Perry Mason: The Case of the Lethal Lesson 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. Details Casts Galleries Posters Title Perry Mason: The Case of the Lethal Lesson Release Date 1989-02-12 Runtime 01 Hours 35 Minutes Genres Mystery Drama Crime TV Movie Production Companies Viacom Productions, Dean Hargrove Productions, Fred Silverman Company, Strathmore Productions Production Countries United States of America Raymond Burr... Perry Mason... Barbara Hale... Della Street... William R. Moses... Ken Malansky... Alexandra Paul... Amy Hastings... Brian Keith... Frank Wellman Sr.... Leslie Ackerman... Miss Lehman... Karen Kopins... Kimberly McDonald... Richard Allen... Jeff... Brian Backer... Eugene... John DeMita... Scott McDonald... John LaMotta... Bartender Al... Charley Lang... Travis Howe... John Allen Nelson... Frank Wellman Jr.... Mark Rolston... Vic Hatton... Raye Birk... Sam Morgan... Marlene Warfield... Prosecutor... Kathryn Christopher... Judge Hoffman... Albert Valdez... Paul Roberti... Original Size (1920x1080) Original Size (1920x1080) Original Size (1000x1500) Original Size (1000x1500) Original Size (682x1024)