Dr. Dan Summit
Arnold Chester - Mission Controller
Mrs. Pam Rhodes
Maj. 'Doc' Henry - Astronaut (as Bill Bryant)
Capt. Norman Burke - Astronaut
Dr. Hart
Dr. King
Kim Clarion (as Lynette Mettey)
Carla Burke
Cliff 'Rocky' Rhodes - Astronaut
Maj. Barry Wolfe - Astronaut
Fred - Ground Contoller
Dr. West - Psychiatrist