- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
Member of the Enterprise-D engineering staff. Davis was present when an antimatter containment failure occurred in Engineering. He was one of the last of the engineering crew to escape the matter/antimatter core area before the breach forced closure of the isolation doors, trapping fellow Ensign Keller and causing her death.