The Librarians is pulling in season 3 guest stars as fast as the town library pulls in late fees.

'The Librarians' Season 2: What Is The Staff of Zarathustra? Episode Title Teases Major Arc

Flynn Carsen (Noah Wyle) and his team of Librarians have their hands full protecting the world from the magical to the dangerous to the down right bizarre, and this winter, the team's mission will be aided (and hindered) by several new faces.

The Librarians is currently in the midst of filming for its second season. With several weeks of production under their belt, the cast has had plenty of time to tease the series' latest additions via social media. These include Michael Trucco, Matt Nolan, and Nina Senicar.

'The Librarians' TNT: Christian Kane's Cryptic Season 2 Tweet Explained, Dives Into Jake Stone's Past

"Had such a wonderful time working w/ [Rebecca Romijn] on #TheLibrarians," Trucco tweeted as July came to a close. "Such an amazing cast&crew! Thanx 4 the laughs."

Matt Nolan found himself on set at the same time as the Battlestar Galactica star, tweeting out a photo of himself and Christian Kane (Jake) on Friday.

Meanwhile, Nina Senicar is busy filming for the current episode. The dancer teamed up with John Kim (Ezekiel) to read through the script on Tuesday.

Tags: The Librarians television TNT