The film consists of re-edited material from the original television series Ultraman. Episodes 1, 8, 26, and 27 were used for the film. They were narrated by Hikari Urano as an "Ultraman Documentary". Allegedly only one new scene was shot, and that some parts of the movie where shot in black and white for unknown reasons. The movie screened at the same time as the Toho movie King Kong Escapes.
小林昭二
as Capt. Toshio Muramatsu
黒部進
as Shin Hayata
毒蝮三太夫
as Daisuke Arashi
桜井浩子
as Akiko Fuji
二瓶正也
as Mitsuhiro Ide
平田昭彦
as Professor Iwamoto
古谷敏
as Ultraman
松本朝生
as Matsui
Teruo Aragaki
as Red King (kaiju)
富田浩太郎
as Professor Nakatani
Chiharu Inayoshi
as Osamu Suzuki
Kunio Suzuki
as Gomora (kaiju)