The chief suspects in the murder of an author are the numerous colleagues whom he continuously plagiarized.
Raymond Burr
as Perry Mason
Barbara Hale
as Della Street
William R. Moses
as Ken Malansky
Cindy Williams
as Rita Sue Bliss
Barbara Babcock
as Martha Robertson
David Warner
as Bradley Thompson
Tony Lo Bianco
as Michael Garcia
Kiel Martin
as Max Mulgrew
Earl Boen
as Mr. Tweed
Charles Macaulay
as Judge Charles Wade
James McEachin
as Lt. Brock
Katherine Moffat
as Rebecca Austin
