Capt. Ed Mercer
Cmdr. Kelly Grayson
Dr. Claire Finn
Lt. Gordon Malloy
Lt. Cmdr. Bortus
Lt. Alara Kitan
Lt. John LaMarr (as J Lee)
Isaac
Klyden
Ben Mercer
Jeannie Mercer
Steve Newton
Admiral Tucker
Lurenek
Calivon Zoo Administrator
Captain of the USS Bleriot
Technician Jennings
Ensign Parker
Technician Reed
Furry Alien
Greenish Alien
Shuttle Bay Officer #1
Calivon Official #1
Calivon Official #2
Calivon Mother
Calivon Child
Calivon Alien (uncredited)
Ock'or (uncredited)
Calivon (uncredited)
Leiken (uncredited)
MoClan Alien (uncredited)
Alien Bartender (uncredited)