- 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
Doctor serving aboard the U.S.S. Enterprise in 2268. Sanchez was in charge of the post-mortem on a transporter operator who was killed in the line of duty at the Kalandan outpost.