Yuma Ishigaki

Geki Jumonji / Space Sheriff Gavan Type-G

Ryuji Sainei

Banban "Ban" Akaza / Deka Red

Tsuyoshi Hayashi

Houji "Hoji" Tomasu / Deka Blue

Yousuke Itou

Senichi "Sen-chan" Enari / Deka Green

Ayumi Kinoshita

Marika "Jasmine" Hiwatari / Deka Yellow

Mika Kikuchi

Koume "Umeko" Kodou / Deka Pink

Tomokazu Yoshida

Tekkan "Tetsu" Aira / Deka Break

Kenji Ohba

Retsu Ichijôji / Space Sheriff Gavan

Suzuka Morita

Shelly

Hiromi Sakimoto

Lars

Tomokazu Seki

Priest / Berg Seijin Cronen (voice)

Miyuki Nishijima

Pon Emi

Mikie Hara

Benikiba

Ryoko Yuui

Sophie

Mako Ishino

Swan Shiratori

Hiroshi Kamiya

Narrator (voice)

Tetsu Inada

Doggie Kruger / DekaMaster (voice) / Wedding Guest

Jun'ichi Haruta

Mad Galan (voice)

Yuto Uemura

Hikaru Hiwatari