Set two years after the events of Ultraman Trigger, an ultra-ancient threat re-emerges, leading to the return of Ultraman Trigger and Ultraman Zett to save the day, but all is not as it seems.
寺坂頼我
as Kengo Manaka
Kohshu Hirano
as Haruki Natsukawa
Runa Toyoda
as Yuna Shizuma
金子隼也
as Hijiri Akito
Meiku Harukawa
as Himari Nanase
水野直
as Sakuma Tessin
Katsuya Takagi
as Tatsumi Seiya
中村優一
as Ryuichi Tokioka
細貝圭
as Ignis
安藤彰則
as Lyler Ibra
宅麻伸
as Mitsukuni Shizuma
畠中祐
as Ultraman Zett (voice)
