Sean Astin
Narrator
Mackenzie Astin
Captain J. Walter Elliott / Private George Clarkson (voice)
Jim Beaver
Joseph Taylor Elliott / First Engineering Officer Nathaniel Wintringer (voice)
Bob Bergen
Captain Louis Rosché / Pleasant Marion Keeble (voice)
Leah Ann Cevoli
Eliza Frances 'Fanny' Andrews (voice)
Jim Cummings
Sergeant Alexander C. Brown / Sergeant William Fies (voice)
Matthew Jayson Cwern
Lieutenant John Clark Ely / Private William Wendt (voice) (as Matt Jayson)