Three men are planning a balloon ascent into the stratosphere. During the balloon flight, complications arise, the balloon is driven out to sea and the men face death.
Otto Gebühr
Prof. Dr. Ernst A. Gruber
Sybille Schmitz
Susanne Gruber
Cornell Borchers
Ellen Gruber
Will Quadflieg
Harry Altenberger
Hans Leibelt
Martin Altenberger
Ewald Balser
Dr. Thomas Robertsen
Rolf Moebius
Hans Paetsch
