Raymond Burr Perry Mason Actor Barbara Hale Della Street Actor William Hopper Paul Drake Actor Ray Collins Lt. Arthur Tragg Actor Phyllis Avery Mary Cromwell Guest Star Alan Hewitt Dr. Marcus Tate Guest Star Karl Weber Dr. Charles Cromwell Guest Star Mort Mills Sgt. Landro Guest Star John Wilder Dick Wilson Guest Star Barbara Stuart Maizie Freitag Guest Star Strother Martin Pete Gibson Guest Star Joseph Julian Deputy D.A. Horner Guest Star William Allyn Robert Haskell Guest Star Will Wright James Vardon Guest Star James Millhollin Prof. Grove Guest Star Gail Patrick Jackson Executive Producer Ben Brady Producer Arthur Marks Director Robert Leslie Bellem Writer