10 MORE Actors You Didn’t Know Were In Star Trek

9. Christopher Heyerdahl

Star Trek Discovery People of Earth Wen
CBS Media Ventures

If you're a Stargate fan, you'll already know Christopher Heyerdahl in voice, face, and name. First appearing as a human in Stargate: SG-1's Revisions, he went on to play Halling (an Athosian) in Stargate: Atlantis, as well as a thoroughly iconic — John Sheppard nicknamed — Wraith. Heyerdahl also starred alongside Stargate legend Amanda Tapping in Sanctuary. Since, he's been in everything from True Blood to Twilight, 12 Monkeys (the series) to The Last of Us.

You might have missed Heyerdahl's singular turn in Star Trek, however. Decidedly back in the Milky Way Galaxy for Star Trek: Discovery's People of Earth, Heyerdahl was hidden behind a rather elaborate and menacing mask for the best part of the episode. As such, his character 'Wen' was initially mistaken for an alien. Not the life-suckers from Pegasus, but 'oooh that voice sounds familiar'!

It took the ex-Emperor to kick a typically slow round of diplomacy up a gear (literally… in the back of the leg) for us to find out that Wen was, in fact, a human. In the same move, Georgiou ripped off the mask, and our suspicions were confirmed. That's Todd! I mean, that is Christopher Heyerdahl! There are no ZPMs in Star Trek but give the bloke some dilithium for Titan's sake!

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Jack has been a content creator for TrekCulture since 2022, and a Star Trek fan for as long as he can remember. He has authored over 170 articles, including one of TrekCulture's longest, and has appeared several times on the TrekCulture podcast. He holds a first-class honours degree in French from the University of Sussex, a master's with distinction in Language, Culture and History: French and Francophone Studies and a PhD in French from University College London (UCL). He has previously worked in the field of translation. His interests extend to science-fiction television and film more widely. His favourite series is Star Trek: Voyager, followed closely by Stargate SG-1.