Henry Beckman was a Canadian stage, film and television actor. He appeared in well over 100 productions in the United States and Canada, including recurring roles as Commander Paul Richards in the 1954 Flash Gordon space opera television series, Bob Mulligan in the ABC sitcom I'm Dickens, He's Fenster, George Anderson in the television adaptation of Peyton Place, Captain Clancey in the Western comedy-drama Here Come the Brides, and conniving U.S. Army Colonel Douglas Harrigan in McHale's Navy and Colonel Platt in the movie McHale's Navy Joins the Air Force. He made four guest appearances on the CBS court drama series Perry Mason, including the role of David the murderer in the 1960 episode, "The Case of the Flighty Father." He appeared in the Gunsmoke episode, Uncle Sunday. In the 1970s Beckman guest-starred on many TV series including Columbo, Barney Miller, Happy Days, The Rockford Files, and four appearances on Quincy, M.E.. In the 1980s he played security guard Alf on the Don Adams sitcom Check It Out!, and was also a non-celebrity contestant on the TV game show Scrabble. He continued to act through his late 70s on shows like The Commish, MacGyver, The X-Files and many others.