Tsutomu Isobe (磯部 勉, Isobe Tsutomu) is a Japanese actor and voice actor from Tokyo, Japan. He is the best known dubbing roles for Mel Gibson, Harrison Ford, Chow Yun-fat, Peter Weller, Tim Allen, Sean Bean, Choi Min-sik, Stringfellow Hawke (Airwolf) and many more. His daughter is actress Rinako Isobe (磯部 莉菜子, Isobe Rinako) and he is married to Miyuki Saitō (斉藤 深雪, Saitō Miyuki), an actress employed by Haiyuza Theatre Company.