- 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
Young Starfleet officer with great potential who was murdered in 2369 by a coalescent organism that later assumed his form. The organism then moved on to Relay Station 47 before it was discovered.
In Rocha's lifetime he had earned two decorations for valor and three outstanding evaluations from his superiors.