Michael Dorn is the actor who played Worf in Star Trek: The Next Generation and Star Trek: Deep Space Nine. He also played Worf's namesake paternal grandfather Colonel Worf in Star Trek VI: The Undiscovered Country. Dorn has appeared more times in the Star Trek franchise than any other actor, 272 episodes and five movies.
Dorn has also lent his voice, mostly in the role of Worf, to the following computer games:
Furthermore, Dorn has directed four episodes of Star Trek:
- In the Cards (DS9 episode 5x25)
- Inquisition (DS9 episode 6x18)
- When It Rains... (DS9 episode 7x21)
- Two Days and Two Nights (Enterprise episode 1x25)