Charles Darwin Cooper was an American actor who has played a wide variety of television and film roles for more than a half century from 1950 to 2001. On Broadway, Cooper appeared in The Winner (1954) and All You Need Is One Good Break (1950).

In 1958, Cooper played the outlaw Tate Masters in the episode "Twelve Guns" of NBC's western television series Cimarron City with George Montgomery and John Smith. In 1959, he played a gunfighter, Jack Rollins, in the episode "The Visitor" of Lawman, an ABC/Warner Brothers Television western series. He was cast as Matt Yordy in the 1961 episode "Honest Abe" of Chuck Connors' The Rifleman.