Timothy Darrell Russ is an American actor, musician, screenwriter, director and amateur astronomer. He is best known for his roles as Lieutenant Commander Tuvok on Star Trek: Voyager, Robert Johnson in Crossroads (1986), Casey in East of Hope Street (1998), Frank on Samantha Who?, Principal Franklin on the Nickelodeon sitcom iCarly, and D. C. Montana on The Highwaymen (1987–1988). He appeared in The Rookie: Feds (2022) and reprised his role as Captain Tuvok on Season 3 of Star Trek: Picard.

Tuvok is a fictional character in the Star Trek media franchise and a main character in the television series Star Trek: Voyager. Tuvok is a Vulcan who serves as the ship's second officer, Chief of Security, and Chief Tactical Officer. He was portrayed by Tim Russ throughout the show's run from 1995 to 2001, as well as in subsequent portrayals.