Roy Edwin Glenn, Sr. (June 3, 1914 – March 12, 1971) was an American character actor.

[1][2] Glenn's career spanned five decades, beginning in radio in the 1940s with multiple appearances on The Amos 'n' Andy Show and The Jack Benny Program, as well as appearances on other shows into the 1950s including Rocky Jordan, Suspense, Yours Truly, Johnny Dollar, and CBS Radio Workshop.

He made numerous appearances from the dawn of television (including many authoritative roles on The Amos 'n' Andy Show, 1951–53)[3] until 1970.

His other film credits include The Jackie Robinson Story (1950), Carmen Jones (1954), Porgy and Bess (1959), The Sound and the Fury (1959), A Raisin in the Sun (1961), with Sidney Poitier, Ruby Dee and Claudia McNeil, and a memorable turn as Mr. Prentice (the father of Poitier's character) in the 1967 film Guess Who's Coming to Dinner.

[5] Glenn died from a heart attack brought on by cardiovascular disease in Los Angeles, California on March 12, 1971, at the age of 56.