What role is played by Sebastian Arcelus in the television series staring Téa Leoni as Dr. Elizabeth McCord?
Sebastian Arcelus: Sebastian Carlos Arcelus (born November 5, 1976) is an American actor, best known for his roles as Lucas Goodwin in the Netflix TV series "House of Cards" from 2013 to 2016 and Jay Whitman in the CBS TV series "Madam Secretary". Madam Secretary (TV series):  It stars Téa Leoni as Dr. Elizabeth McCord.
i don't know