I diafanoidi vengono da Marte

Tony Russel

Cmdr. Mike Halstead

Lisa Gastoni

Lt. Connie Gomez

Franco Nero

Lt. Jake Jacowitx

Carlo Giustini

Capt. Jaques Dubois

Enzo Fiermonte

Ken

Linda Sini

Lt. Fina Marlie

Nando Angelini

Capt. Tice

Corinne Fontaine

Gamma 1 Hostess