Video: Tamsen McDonough praises the fans of Killjoys On August 22, 2017May 10, 2018 By Popternative Tamsen McDonough who plays Lucy on the hit Space/SyFy show Killjoy discuses the support and passion that the Killjoys fans show on social media. Watch the full episode of Popternative below Follow Tamsen on Twitter: https://twitter.com/redTamsen