Jack Twist is a fictional character of the short story "Brokeback Mountain" by Annie Proulx, where he is portrayed by American actor Jake Gyllenhaal, an American actor, and son of which director?
Jake Gyllenhaal:  A member of the Gyllenhaal family and the son of director Stephen Gyllenhaal and screenwriter Naomi Foner, Gyllenhaal began acting as a child with a screen debut in "City Slickers" (1991), followed by roles in "A Dangerous Woman" (1993) and "Homegrown" (1998).
i don't know