FX horror series “The Strain” ended Season 3 on a depressing note. Not only did a nuclear bomb explode in New York City, but the strigoi hunters lost The Master. They had successfully captured him, but the blast resulting from the explosion gave The Master a chance to escape.

Some fans were even saddened with the news that tech genius and strigoi hunter Dutch Velders (Ruta Gedmintas) was no longer with Fet (Kevin Durand). Instead, she chose to be with Dr. Ephraim Goodweather/Eph (Corey Stoll).

While Dutch juggles her many love interests on “The Strain,” Gedmintas’ love life is a lot more stable. The actress is in a relationship with “A Street Cat Named Bob” actor Luke Treadaway.

Here are five things to know about Gedmintas and Treadaway’s relationship:

1. They Started Dating In 2011

The couple met on the sets of “You Instead” (the alternate title used in the U.S. is “Tonight You’re Mine.” Coincidentally, the movie is a romantic comedy.

2. Gedmintas Lives With Treadaway In London

The English actress lives with her boyfriend, his twin brother and actor Harry and a friend of the twins who plays in a band in a flat in North London. It certainly seems like they’re serious if they are living in together!

3. She Guest-Starred In “A Street Cat Named Bob”

Treadaway has appeared in a number of films and TV shows such as “Vicious,” “Fortitude,” “Unbroken” and “Killing Bono.” He plays the lead role in a movie called “A Street Cat Named Bob.” Gedmintas also appears in her boyfriend’s movie as a cat loving neighbor named Betty.

“A Street Cat Named Bob” is based on an international bestselling book of the same name and follows the life of a recovering drug addict, James Bowen, whose life is transformed when he meets a ginger street cat.

4. “The Strain” Actress Supports Her Boyfriend A Lot

On her Instagram account, “The Strain” star frequently posts poster of “A Street Cat Named Bob” in order to urge her fans to watch the movie. Even her mother put up a poster of the movie in her shop in London. So sweet!

5. They Played Boyfriend And Girlfriend In 2011 Movie “You Instead”

Treadaway played the lead role of Adam and his girlfriend portrayed the role of his super-model girlfriend named Lake.

“The Strain” Season 4 will begin filming soon. The FX series returns with its final season in 2017.

Ruta Gedmintas and Luke Treadaway “The Strain” actress Ruta Gedmintas has been dating actor Luke Treadaway since 2011. Pictured: Gedmintas and Treadaway arrive for the world premiere of “A Street Cat Named Bob” at The Curzon Mayfair in London, Britain on Nov. 3, 2016. Treadaway plays the lead role in this movie. Photo: Reuters/Dylan Martinez