Rounding out Spock's family in J. J. Abrams' Star Trek, Ben Cross will join Winona Ryder, playing Spock's father, Sarek. Ben is best know for his role in Chariots of Fire (1981) but you might also recognize him as Barnabas from the remake miniseries Dark Shadows (1991)
Source: J. J. Abrams' Star Trek">/film
