Thomas Scharff
— Captain Herc Hero
Stephanie Kellner
— Dr. Nelly Slayer
Hans-Dieter Brückner
— Will Joshua
Leonore Capell
— Denise Duffaut
Francesco Pahlevan
— Nick Slave
Jürgen Haug
— David Joshua
Tanja Geke
— Hellen Jago (voice)
Michael H.J. Frank
— Flight Operator
Tosca Maria Kühn
— ISA Reporterin
Thomas Plonsker
— Chief Flight Operator
Ralf Steuernagel
— Otto Rabisch