Space Warriors - Your Name is MAT (宇宙戦士その名まMAT Uchuu Senshi Sono Nama Matto) is the 49th episode of Return of Ultraman.
Go met the former ace Attack Squadron member of Planet Mysteler. The alien had escaped from the war on his home planet and lived peacefully on Earth, but was found by his former captain. The captain took his daughter as hostage to make him fight against Ultraman. The real goal of the captain was to kidnap Ultraman and MAT to become soldiers of his army! Fight back, Go!
- Hideki Go (郷 秀樹 Gō Hideki ):Jiro Dan (団 時朗, Dan Jirō )
- Ryu Ibuki (伊吹 竜, Ibuki Ryu ):Negami Atsushi (根上 淳, Negami Atsushi )
- Takeshi Minami (南 猛 Minami Takeshi ):Shunsuke Ikeda (池田 駿介, Ikeda Shunsuke )
- Ippei Ueno (上野 一平, Uneo Ippei ):Hatashi Mitsushi (三井 恒, Mitsushi Hatashi )
- Yuriko Oka (丘 ユリ子, Oka Yuriko ):Mika Katsuragi (桂木美加,Katauragi Mika )
- Fumio Kishida (岸田文夫 Kishida Fumo ):Ken Nishida (西田健, Nishida Ken )
- Jiro Sakata (坂田 次郎, Sakata Jirō ):Kawaguchi Hideki (川口英樹, Hideki Kawaguchi )
- Rumiko Maruno (村野 ルミ子, Maruno Rumiko ):Iwasaki Kazuko ( 和子 岩崎, Kazuko Iwasaki )
- Narrator (ナレーター, NaretaAkira Nagoya (名古屋章, Nagoya Akira ) ):
- Hoshino/Alien Mysteler (Good) (星野/ミステラ星人 全, Hoshino/Misutera Seijin (Zen) Voice ): Fujio Murakami (村上不二夫, Murakami Fujio )
- Terumi Hoshino (星野輝美, Hoshino TerumiMayumi Furuya (古屋まゆみ, Furuya Mayumi ) )
- Alien Mysteler (Evil) (ミステラ星人 (悪) Misutera Seijin (Aku) Voice): Takeshi Morimoto (森本景武, Morimoto Takeshi )
- Return of Ultraman Volume 13 Features Episodes 49-51.