Billy Magnussen

Magnussen made his Broadway debut in The Ritz in 2007. In 2012, he starred as Spike in Vanya and Sonia and Masha and Spike, which transferred from McCarter Theatre to Lincoln Center and Broadway. He received a Tony Award nomination for Best Featured Actor in a Play. In 2014, he starred opposite Anna Gunn in the Off-Broadway production of Sex with Strangers at Second Stage Theater.

Magnussen appeared in the films Blood Night: The Legend of Mary Hatchet and Happy Tears. He starred as Claude in Twelve (2010), appeared in The Lost Valentine (2011) and Damsels in Distress (2011), and starred in Surviving Family (2012). He played Rapunzel's Prince in Into the Woods (2014) and appeared in The Great Gilly Hopkins (2016).

In 2019, Magnussen played Prince Anders in Disney's Aladdin. He portrayed CIA officer Logan Ash in No Time to Die (2021). In 2025, he played Pleakley in Lilo & Stitch and starred in Violent Ends.

On television, Magnussen played Casey Hughes on the CBS soap opera As the World Turns beginning in 2008. He appeared in The Beautiful Life: TBL (2009), Boardwalk Empire, Law & Order: Criminal Intent, Law & Order, The Divide, NCIS: Los Angeles and The Leftovers. In 2016, he portrayed Kato Kaelin in the first season of American Crime Story. He appeared as Russ Snyder in Unbreakable Kimmy Schmidt (2017) and played Joshua "Nick" Sullivan in the first season of Tell Me a Story (2018).

Magnussen was also a member of the New York City rock band The Dash, serving as its bass player and contributing songwriter. He later played guitar with the New York City band Reserved for Rondee.