Gregory Patrick Agnew

Grandpa

Roman Spenneberg

Physicist (Age 15)

Jax Inman

Physicist (Age 8)

Brodie McCauley

Physicist

Olivia Jones

Ship Captain

Jezreel Forand

Ship Engineer

Nicholas Poppe

Ship Pilot

Sofia Spenneberg

Guardian Angel (Voice)

Ian Papworth

Distorted Voice (Voice)

Adam S. Depew

Spirit (Voice)

Martin Luther King Jr.

Self (Archive Footage)

Carl Sagan

Self (Archive Footage)

Johnny Cash

Self (Archive Footage)

June Carter Cash

Self (Archive Footage)

Adam S. Depew