Sebastian Arcelus is an American actor, best known for his roles as Lucas Goodwin on the Netflix thriller series House of Cards (2013–2016) and Jay Whitman on the CBS political drama series Madam Secretary (2014–2019). Arcelus began his acting career in the early 2000s and spent the first decade of his career on Broadway, having played Roger in Rent, Fiyero in Wicked, Bob Gaudio in Jersey Boys, and Buddy in Elf, among other roles. He returned to Broadway with the 2022 revival of Into the Woods and its subsequent national tour.

House of Cards is an American political thriller television series created by Beau Willimon. It is based on the 1989 novel of the same name by Michael Dobbs and an adaptation of the 1990 British series of the same name by Andrew Davies, also from the novel. The first 13-episode season was released on February 1, 2013, on the streaming service Netflix. House of Cards is the first TV series to have been produced by a studio for Netflix.