Raymond Burr Perry Mason Actor Barbara Hale Della Street Actor William Hopper Paul Drake Actor Ray Collins Lt. Arthur Tragg Actor Margaret Field Linda Osborne Guest Star Jeanette Nolan Emma 'Martha' Benson Guest Star Lauren Perreau Peggy Smith Guest Star Frances Helm Helene Osborne Guest Star John Bryant Larry Osborne Guest Star Gage Clarke Edgar Benson Guest Star Francis X. Bushman Courtney Jeffers Guest Star John Banner A. Tobler Guest Star Robert Karnes Deputy D.A.Chamberlin Guest Star Nelson Leigh Judge Guest Star Eleanor Audley Headmistress Lorimer Guest Star Gail Patrick Jackson Executive Producer Ben Brady Producer William F. Claxton Director Jonathan Latimer Writer