- Amber Lee Connors
- Â Livia 11 episodes, 2022
- Stephen Fu
- Â Yoshida 11 episodes, 2022
- Kenjirô Tsuda
- Â Lucius Modestus 11 episodes, 2022
- Xanthe Huynh
- Â Mami Yamaguchi 11 episodes, 2022
- Richard Epcar
- Â Emperor Hadrian 11 episodes, 2022
- Billy Kametz
- Â Markus Annius Verus / ... 11 episodes, 2022
- Yong Yea
- Â Regulus 11 episodes, 2022
- Chris Guerrero
- Â Marcus 11 episodes, 2022
- David Wald
- Â Lucius Modestus 11 episodes, 2022
- Gianni Matragrano
- Â Ceionius 11 episodes, 2022
- Tony Azzolino
- Â Titus 11 episodes, 2022
- Bryan Massey
- Â Bandit Boss 7 episodes, 2022
- Rachel Robinson
- Â Additional Voices / ... 7 episodes, 2022
- Alain Mesa
- Â Additional Voices / ... 4 episodes, 2022
- Chris Okawa
- Â Apollodorus 4 episodes, 2022
- Shin'ya Takahashi
- Â Customer / ... 3 episodes, 2022
- Kiff VandenHeuvel
- Â Cassius (english) 1 episode, 2022
- Keith Silverstein
- Â Thermae Owner 1 episode, 2022
- SungWon Cho
- Â Grandpa C 1 episode, 2022
- Daman Mills
- Â Ivan 3 1 episode, 2022
- Mike Pollock
- Â Master 1 episode, 2022
- Takahiro Sakurai
- Â Yoshida 1 episode, 2022
- Trevor Devall
- Â Hadrian's Messenger 1 episode, 2022
- Brent Mukai
- Â Ivan 1 1 episode, 2022
- Satoshi Hino
- Â Regulus 1 episode, 2022
- Yoshimasa Hosoya
- Â Ceionius 1 episode, 2022
- Jun'ya Enoki
- Â Markus Annius 1 episode, 2022
- Jim Foronda
- Â Grandpa A 1 episode, 2022
- Anjali Kunapaneni
- Â Young Lucius 1 episode, 2022
- Chikahiro Kobayashi
- Â Marcus 1 episode, 2022
- Asami Seto
- Â Mari Yamaguchi 1 episode, 2022
- Frank Todaro
- Â Yosaku 1 episode, 2022
- Luis Bermudez
- Â Attilanus 1 episode, 2022
- Richard Cansino
- Â Grandpa 1 episode, 2022
- Michael Schwalbe
- Â Ivan 2 1 episode, 2022
- Shûichi Ikeda
- Â Utagawa Kuniyoshi 1 episode, 2022
- Sanae Kobayashi
- Â Sanae 1 episode, 2022
- Tsutomu Isobe
- Â Emperor Hadrian 1 episode, 2022
