Cast and credits of The Mysterious Mr. M

Directed by

Vernon Keays

Starring

Dennis Moore
Agent Grant Farrell

Pamela Blake
Shirley Clinton

Richard Martin
Detective Lieutenant Kirby Walsh

Jane Randolph
Marina Lamont

Danny Morton
Derek Lamont

Edmund MacDonald
Anthony Waldron

Jack Ingram
William Shrag

Joe Haworth
Donninger

Byron Foulger
Wetherby / Mr. M

Joseph Crehan
Police Chief Dan Blair