During his career, Mr. Lowery was primarily known for roles in action movies such as The Mark of Zorro, Big Town, The Mummy's Ghost, and Dangerous Passage. He also became just the second actor to play DC Comics' Batman, starring in a 1949's Batman and Robin serial. He also appeared with Ray Danton in the well-known crime drama The Rise and Fall of Legs Diamond. He was an accomplished stage actor and appeared in Born Yesterday, Caine Mutiny, and in several other productions. On television, he was best known for his work on the series Circus Boy, but also appeared in Wagon Train, Playhouse 90 (The Helen Morgan Story) Pistols and Petticoats,Hazel and a memorable episode of Adventures of Superman (the first time a Batman actor shared screen time with a Superman actor).
He was married three times, to three different actresses: to Jean Parker, to Vivan Wilcox, and to Rusty Farrell. He had one child, Robert, who lives in Redondo Beach, California; and two grandchildren. Lowery died unexpectedly of heart failure at 58 in his apartment in Hollywood, California on Christmas night of 1971.