Dr. Friedrich Ritter
Dora Strauch Ritter
Eloise Bosquet de Wagner Wehrhorn
Heinz Wittmer
Margret Wittmer
Rundolph Lorenz
Robert Phillipson
Harry Wittmer
Manuel Borja
Allan Hancock
Stampa
Captain
Ray Elliott
Hancock's First Officer
Governor of the Galapagos
Governor's Translator