 Howard. Sicking also was known for playing Doogie Howser's dad on Doogie Howser MD. He also had roles in Star Trek III, The Search for Spock, Fever Pitch, and Curb Your Enthusiasm. I'm Archie Zaraleta. You may have seen ads with celebrities promoting high-tech medical scans that companies say can help catch deadly diseases like cancer. Some experts, though, are warning that it may lead to unnecessary costs. I'm Jackie Quinn, AP News.