El planeta de los hombres verdes: Reparto
Claude Rains
Professor Benson
Bill Carter
Cmdr. Robert Cole
Maya Brent
Eve Barnett
Umberto Orsini
Dr. Fred Steele
Jacqueline Derval
Mrs. Collins
Carol Danell
Cathy Cole
John Stacy
Dr. Cornfield
Jim Dolen
Boyd
Carlo D'Angelo
General Varreck
Massimo Righi
Lewis Boyd
Joe Pollini
Pat
John Karlsen
Supervising Commissioner
Renzo Palmer
Barrington
Aldo D'Ambrosio
United Commission Member
Giuliano Gemma
Moran