Henry Beckman (26 November 1921 – 17 June 2008) 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 United States 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 courtroom drama series Perry Mason, including the role of David the murderer in the 1960 episode "The Case of the Flighty Father." In 1966, he guest-starred in an episode of the espionage drama series Blue Light. He appeared in numerous popular TV shows, among them: The Twilight Zone, Columbo, Barney Miller, Gunsmoke, Happy Days, and the The Rockford Files, and made four appearances on Quincy, M.E.. In the 1980s he played the 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 seventies on shows like The Commish and MacGyver, and he also had a recurring role in The X-Files for several seasons.