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)