character - Gov. Hornbeck

character - Narrator

character - Harry Burns

character - Steinhart

character - Narrator

character - Abe Titus

character - Narrator (voice)

character - Narrator

character - Narrator

character - Narrator

character - Narrator

character - Narrator

character - S.W. Wicks

character - Archeologist

character - Staff Doctor

character - Narrator

character - Commander Allison Executive Officer - Bridge

character - The words of Norman Bethune read by (voice)

character - Paul Bondi

character - Solicitor-General Blake

character - Narrator

character - narrator