Darrell Zwerling (September 9, 1928 – April 11, 2014) was an American character actor in film and television. His most famous role was Hollis Mulwray, the unfortunate Water Authority Commissioner (the husband of Faye Dunaway's character) in Roman Polanski's Chinatown. In 1973, he portrayed Mr. Charney, a voice-over applicant with laryngitis at WJM-TV, in the season four episode, "The Lou and Edie Story" on The Mary Tyler Moore Show. He was born in Pittsburgh, Pennsylvania to Irwin and Esther Zwerling, Jewish emigrants from Austria and Romania, respectively, and had one elder sibling, a sister, Bernice. Zwerling died in Hollywood, California on April 11, 2014, aged 85, from undisclosed causes. His death was not disclosed until September 16, 2014 by The Juilliard School in New York.