A priest is murdered and the main suspect is a nun.
Raymond Burr
as Perry Mason
Barbara Hale
as Della Street
William Katt
as Paul Drake Jr.
Timothy Bottoms
as Father Thomas O'Neil
Jon Cypher
as Dr. Peter Lattimore
Michele Greene
as Sister Margaret
James McEachin
as Lt. Ed Brock
Gerald S. O'Loughlin
as Monsignor Kyser
William Prince
as Archbishop Stefan Corro
Edward Winter
as Jonathan Eastman
Barbara Parkins
as Ellen Cartwright
David Ogden Stiers
as D.A. Michael Reston
