An Emmy Award nominee, Huddleston had a prolific television career, and appeared in many films, including Rio Lobo, Blazing Saddles, Crime Busters, Santa Claus: The Movie, and The Big Lebowski.

[2] He was briefly an officer in the United States Air Force before beginning his formal education in acting at the American Academy of Dramatic Arts.

Known mainly as a character actor, Huddleston starred in the title role of 1985's big-budget film Santa Claus: The Movie, which featured a top-billed Dudley Moore as an elf.

Shortly afterward, the actor became a frequent guest star on several of the leading television series of the 1960s and 1970s, among them, Adam-12, Then Came Bronson, Gunsmoke, Bewitched, Bonanza, Columbo, Cannon, McMillan & Wife, The Waltons, The Rookies, Medical Center, Kung Fu, Emergency!, Spencer's Pilots, The Mary Tyler Moore Show, Police Woman, Hawaii Five-O, Walker, Texas Ranger, Charlie's Angels, Vega$, Sanford and Son, The Practice, and The Rockford Files.

Among Huddleston's notable feature-film credits prior to Santa Claus: The Movie are his co-starring roles in Blazing Saddles, McQ, The Klansman, Smokey and the Bandit II, and Breakheart Pass.