Perry Mason: The Case of the Poisoned Pen (1990)
| Release Date: | 1990, January 21 |
| Directors: | Christian I. Nyby II |
| Countries: | United States of America |
| Production: | Viacom Productions, Dean Hargrove Productions, Dean Hargrove Productions, Fred Silverman Company, Fred Silverman Company |
| Cast: | Earl Boen, David Warner, Raymond Burr, Andy Romano, James McEachin, Tony Lo Bianco, Cindy Williams, Charles Macaulay, Barbara Babcock, Barbara Hale, Katherine Moffat, Tracy Smith |