- 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
Illusional being who tormented William Riker during the latter's cerebrally-induced incarceration in the Tilonius Institute for Mental Disorders, where Mavek served as an orderly.