Born in London, Summers launched his screen career in 1963 after moving to Tucson, Arizona, where he worked as a stunt extra on McLintock! and subsequently trained as a stunt double for actors such as Warren Oates, Roddy McDowall, Michael Anderson Jr. and Michael J. Pollard. He built a versatile résumé that spanned both television and film, appearing in series like Gunsmoke, Bonanza, Barnaby Jones…
