M Squad
was released in the United States on September 20, 1957,
and ran for three seasons until June 21, 1960.
Lee Marvin, Paul Newman,
Roscoe Ates, Joanna Barnes, Charles Bronson, Mike Connors, Russ Conway, Walter Coy,
Whitney Blake, Paul Burke, James Coburn, Francis De
Sales, Angie Dickinson, Joe Flynn, Alan Hale, Jr., Ron Hayes, Werner Klemperer,
Robert Knapp, Tom Laughlin, Ruta Lee, DeForest Kelley, Nan Leslie, Dayton
Lummis, Tyler McVey, Walter Maslow, Carole Mathews, Joyce Meadows, Sid Melton, John
Mitchum, Ed Nelson, Leonard Nimoy, J. Pat O'Malley, Michael Pataki, Burt
Reynolds, Don Rickles, Janice Rule, Barbara Stuart, Mary Treen, H. M. Wynant.