- 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
Menk medical orderly. Larr assisted the Enterprise NX-01's Dr. Phlox, Hoshi Sato and Elizabeth Cutler when they attended a Menk village to run some tests in hopes of coming up with a cure for the deadly disease plaguing the Valakians. It was Larr who convinced Hoshi and Cutler that the Menk are more intelligent than they are given credit for — he picked up some English simply by listening to the crewmembers converse, and organized some blood samples in a sophisticated way.