səbˈæstʃən ˈɑːɹsɛləs bˈɔːɹn noʊvˈɛmbɚ fˈaɪv, nˈaɪntiːnhˈʌndɹɪd sˈɛvənti sˈɪks ɪz ɐn ɐmˈɛɹɪkən ˈæktɚ, bˈɛst nˈoʊn fɔːɹ hɪz ɹˈoʊlz æz lˈuːkəz ɡˈʊdwɪn ɪnðə nˈɛtflɪks tˌiːvˈiː sˈɪɹiz hˈaʊs ʌv kˈɑːɹdz tˈuː θˈaʊzənd θˈɜːtiːn tˈuː θˈaʊzənd sˈɪkstiːn ænd dʒˈeɪ wˈɪtmən ɪnðə sˌiːbˌiːˈɛs tˌiːvˈiː sˈɪɹiz mˈædəm sˈɛkɹətɹi tˈuː θˈaʊzənd fˈoːɹtiːn tˈuː θˈaʊzənd nˈaɪntiːn.
Sebastian 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 (2013–2016) and Jay Whitman in the CBS TV series Madam Secretary (2014–2019).