Neo
Keanu Reeves
Trinity
Carrie-Anne Moss
Ash/Raul/Miscellaneous voices
James Arnold Taylor
The Kid (voice)
Clayton Watson
Thadeus ("Final Flight of Osiris") / Cop ("Kid's Story") / Agent #2 ("World Record")
Kevin Michael Richardson
Jue ("Final Flight of the Osiris") / Manabu ("Beyond") (voice)
Pamela Adlon
Crew Man ("Final Flight of the Osiris") / Kaiser ("Program") (voice)
John DiMaggio
Alexa ("Matriculated") (voice)
Melinda Clarke
Operator ("Final Flight of Osiris")
Tom Kenny
Pilot ("Final Flight of Osiris")
Rick Gomez
Crew Woman ("Final Flight of Osiris") / Nurse ("World Record") / Misha ("Beyond")
Tara Strong
Bette Ford
01 Versatran Spokesman ("The Second Renaissance Part I & II")
Dane A. Davis
Old Woman ("Final Flight of Osiris")
Bette Ford
Mother ("The Second Renaissance Part I & II")
Jill Talley
The Instructor ("The Second Renaissance Part I & II") / Narrator ("World Record")
Julia Fletcher
Kid ("The Second Renaissance Part I & II")
Debi Derryberry
Additional Voices ("The Second Renaissance Part I & II") / Monaka ("Matriculated")
Dwight Schultz
Teacher ("Kid's Story")
John DeMita
Cis ("Program") / Yoko ("Beyond")
Hedy Burress
Duo ("Program")
Phil LaMarr
Dan ("World Record")
Victor Williams
Dan's Dad ("World Record")
John Wesley
Tom ("World Record")
Alex Fernandez
Reporter ("World Record")
Allison Smith
Agent #1 ("World Record") / Agent ("Beyond") / Agent ("A Detective Story")
Matt McKenzie
Housewife ("Beyond") / Kenny ("Beyond")
Tress MacNeille
Pudgy ("Beyond") / Masa ("Beyond") / Sara ("Beyond")
Kath Soucie
Clarence ("A Detective Story")
Terrence 'T.C.' Carson
Chyron ("Matriculated")
Rodney Saulsberry
Rox ("Matriculated")
Olivia d'Abo
Sandro ("Matriculated")
Jack Fletcher
Thadeus (voice)
Akio Otsuka