Elijah Wood

#9 (voice)

Christopher Plummer

#1 (voice)

Martin Landau

#2 (voice)

John C. Reilly

#5 (voice)

Crispin Glover

#6 (voice)

Jennifer Connelly

#7 (voice)

Fred Tatasciore

#8 / Radio Announcer (voice)

Alan Oppenheimer

Scientist (voice)

Tom Kane

Dictator (voice)

Helen Wilson

Newscaster (voice)