- 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
Starfleet engineer who developed the Emergency Medical Hologram (EMH), in association with Reginald Barclay. This version of the EMH was installed in U.S.S. Voyager and the U.S.S. Enterprise NCC-1701-E. By 2373 Zimmerman was Director of Holographic imaging and Programming at Jupiter Station and was working on a Longterm Medical Holographic program.