Gunnar Tolnæs

Avanti Planetaros

Zanny Petersen

Corona

Nicolai Neiiendam

Professor Planetaros

Alf Blütecher

Dr. Krafft

Svend Kornbeck

David Dane

Philip Bech

Martian leader - wise man

Lilly Jacobson

Marya

Frederik Jacobsen

Professor Dubius

Nils Asther

Martian citizen

Alfred Osmund

Martian priest