Unfortunately for fans, the actor is out of the post-apocalyptic drama after six seasons.
If you watch The 100 online, you know that Cusick's Marcus Kane has been clinging to life ever since the conclusion of The 100 Season 5.
Tuesday's episode, however, found out heroes moving Kane's consciousness into a new body, but not before fans got one last look at Cusick in the role.
“I have to say it was a pleasure and an honor to have @hicusick on our show for the past 6 years,” showrunner Jason Rothenberg said on Twitter, confirming the sad news.
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“The guy classed up the joint. Really helped us make the point that we were not a teen show.