Perry Mason: The Case of the Poisoned Pen 34 years old

The chief suspects in the murder of an author are the numerous colleagues whom he continuously plagiarized.

Credits

Name	Character
William R. Moses He was 30, now 64 years old	as Ken Malansky
Raymond Burr He was 72, 76 years old when he died	as Perry Mason
Cindy Williams She was 42, now 76 years old	as Rita Sue Bliss
Barbara Hale She was 67, 94 years old when she died	as Della Street
David Warner He was 48, now 82 years old	as Bradley Thompson
Barbara Babcock She was 52, now 87 years old	as Martha Robertson
Tony Lo Bianco He was 53, now 87 years old	as Michael Garcia

Name	Department
Christian I. Nyby II as Director. He was 48 (now 82) years old	Directing