Joshua Bassett Nick Daley (voice) Thomas Lennon Teddy (voice) Joseph Kamal Kahmunrah (voice) Akmal Saleh Seth (voice) Steve Zahn Jedediah (voice) Jack Whitehall Octavius (voice) Kieran Sequoia Sacajawea (voice) Alice Isaaz Joan of Arc (voice) Jamie Demetriou Dr. McPhee (voice) Zachary Levi Larry (voice) Gillian Jacobs Erica Daley (voice) Shelby Simmons Mia (voice) Lidia Porto Ms. Montefusco (voice) Tenzing Norgay Trainor Bodhi (voice) Bowen Yang Ronnie (voice) Jessica DiCicco Additional Voices (voice)