Donald George Calfa was an American film and television character actor whose credits spanned over 40 years, playing both comedic and dramatic roles. Although Calfa appeared in many high-profile films and television series, he was perhaps best known for his turn as mortician Ernie Kaltenbrunner in the 1985 cult zombie horror-comedy The Return of the Living Dead, and the bumbling hitman in Weekend at Bernie's.

The Return of the Living Dead is a 1985 American comedy horror film written and directed by Dan O'Bannon from a story by Rudy Ricci, John Russo, and Russell Streiner, and starring Clu Gulager, James Karen, Thom Matthews, and Don Calfa. The film tells the story of how a warehouse owner, accompanied by his two employees, mortician friend and a group of teenage punks, deal with the accidental release of a horde of unkillable, brain-hungry zombies onto an unsuspecting town.