Cristin Milioti had never seen Star Trek before starring on Black Mirror's "USS Callister" episode

TheWrap

The actress says after landing her role, she intentionally stayed away from Star Trek. “I wanted to use whatever confusion I might have, because that’s what she might be experiencing as well," she says. "So I watched about two minutes of one episode and was like, ‘I don’t want to watch any more of this.'”