Jonathan Harris, who portrayed dastardly doc Zachary Smith on the classic '60s series Lost in Space, died Sunday from a blood clot in his heart. He was 87. More recently, Harris was known for his voiceover work in A Bug's Life and Toy Story 2. Also, actress Cheryl "Rainbeaux" Smith, star of such '70s exploitation favorites as Caged Heat, Revenge of the Cheerleaders and Laserblast, died on Oct. 25 in her native Los Angeles of complications from hepatitis. She was 47.