Question: Jack Twist was a character portrayed by which American actor who debuted in City Slickers?
Sentence (from "Jack Twist"): Jack Twist is a fictional character of the short story "Brokeback Mountain" by Annie Proulx and the 2005 Academy Award-winning film adaptation of the same name directed by Ang Lee, where he is portrayed by American actor Jake Gyllenhaal.
Relevant evidence: Yes