Jonathan Harris (born Jonathan Charasuchin; November 6, 1914 – November 3, 2002) was an American stage and film character actor. Two of his best-known roles were as the timid accountant Bradford Webster in the TV version of The Third Man, and the comic villain Dr. Zachary Smith, in the 1960s sci-fi television series, Lost in Space. Near the end of his career, he provided the voice of "Manny," a praying mantis in the animated feature A Bug's Life.
Jonathan Harris died on November 3, 2002, in Encino, California of a blood clot to the heart, just three days before his 88th birthday. He was survived by his wife Gertrude and his son Richard, along with two sisters and two grandchildren. Among his eulogists was castmate and decades-long friend Bill Mumy. He was interred in the Westwood Village Memorial Park Cemetery in Los Angeles.