| Name | Character | Episodes |
|---|---|---|
| Mamoru Miyano | Buyoyon (voice) | 24 |
| Yoko Hikasa | Tetsuo Shiraishi (voice) | 16 |
| Atsumi Tanezaki | Ream Stream (voice) | 15 |
| Yuji Ueda | Tarao Tarako (voice) | 2 |
| Saori Hayami | Celine (voice) | 1 |
| Minami Takayama | Boy (voice) | 1 |
| Yoshiko Sakakibara | Akiko Shikishima (voice) | 1 |
| Shinichiro Kamio | Pheidippides (voice) | 1 |
| Konomi Kohara | Dakhla's Daughter (voice) | 1 |
| Daiki Hamano | US Commander (voice) | 1 |
| Chikahiro Kobayashi | Thoth (voice) | 1 |
| Chiwa Saito | Rosa (voice) | 1 |
| Kenichi Suzumura | Future Time Patrol Agent (voice) | 1 |
| Satoshi Hino | Jean (voice) | 1 |
| Junko Minagawa | Rohilla (voice) | 1 |
| Rikiya Koyama | Chamuku's Father (voice) | 1 |
| Manaka Iwami | Creusa (voice) | 1 |
| Ayumu Murase | Thomas (voice) | 1 |
| Chafurin | Mulianus (voice) | 1 |
| Ayahi Takagaki | Pirak (voice) | 1 |
| Kazuki Ura | Yoshitsune Minamoto (voice) | 1 |
| Kazuyuki Okitsu | Passerby (voice) | 1 |
| Ryota Suzuki | Jim (voice) | 1 |
| Kenta Miyake | Master Xuanzang (voice) | 1 |
| Jun'ichi Yanagita | Editor (voice) | 1 |
| Jun'ichi Yanagita | Male Customer B (voice) | 1 |
| Jun'ichi Yanagita | Time Patrol Member (voice) | 1 |
| Naomi Kusumi | Shaman (voice) | 1 |