Mason defends a man he had sentenced to prison when he was an appellate-court judge. Now, 18 months after the sentencing, a new witness turns up to prove the man's innocence. Mason steps in to defend the man.

Raymond Burr
as Perry Mason

Barbara Hale
as Della Street

William Katt
as Paul Drake Jr.

Patty Duke
as Althea Sloan

Erin Gray
as Captain Terry O'Malley

Larry Wilcox
as Lieutenant Colonel Kevin Parks

Wendelin Harston
as Jury Foreman

Tupper Cullum
as Deputy #1

David Ogden Stiers
as D.A. Michael Reston

Charles Siebert
as Jason Sloan