Joshua Bassett as Nick Daley (voice)

Thomas Lennon as Teddy (voice)

Joseph Kamal as Kahmunrah (voice)

Akmal Saleh as Seth (voice)

Steve Zahn as Jedediah (voice)

Jack Whitehall as Octavius (voice)

Kieran Sequoia as Sacajawea (voice)

Alice Isaaz as Joan of Arc (voice)

Jamie Demetriou as Dr. McPhee (voice)

Zachary Levi as Larry / Laaa (voice)

Gillian Jacobs as Erica Daley (voice)

Alexander Salamat as Attila (voice)

Shelby Simmons as Mia (voice)

Lidia Porto as Ms. Montefusco (voice)

Tenzing Norgay Trainor as Bodhi (voice)

Bowen Yang as Ronnie (voice)

Chris Parnell as Washington (voice)

Kelemete Misipeka as Easter Island Head (voice)

Christie Bahna as Queen Nefertiti (voice)

Zeeko Zaki as Ra the Sun god (voice)

Jonathan Roumie as Merenkhare (voice)

Dee Bradley Baker as Dexter (voice)

Johnny Gidcomb as Additional Voices (voice)

Kiff VandenHeuvel as Additional Voices (voice)

Ruth Zalduondo as Additional Voices (voice)

Jen Cain as Additional Voices (voice)

Scott Whyte as Additional Voices (voice)

Matt Danner as Additional Voices (voice)

Lex Lang as Additional Voices (voice)

Michelle Ruff as Additional Voices (voice)

Jessica DiCicco as Additional Voices (voice)

Matt Nolan as Additional Voices (voice)