Build a movie plot around this: Which actor portrays Alex? Mariel Hemmingway
A:
A domestic terrorist group make an unsuccessful attempt on the life of US President Jonathan Hayes (Harrison) and the group's leader, Michael Smith (David Wheeler), is subsequently captured. Some members of the group manage to evade capture and continue with terrorist activities. Eight weeks later, believing the threat is past, the President organizes an outdoors activity trip for his teenage daughter, Jess (Monica Keena), who has grown tired of the public life and constant Secret Service supervision. Jess, excited about the trip, is disappointed to learn a Secret Service agent she dislikes, Alex McGregor (Mariel Hemingway), will be accompanying her, despising her over a misunderstanding embrace between her father and Alex. Jess goes so far as to spread rumours about Alex during the trip, leaving an air of animosity between the two of them.Unbeknownst to the hikers, during their trip they are seen by members of the domestic terrorist group who have been hiding out in the same woods to evade capture. The terrorists initially believe they are witnessing a normal group of hikers, but soon notice bodyguards with guns. Eventually, one of the group recognises Jess, and identifies her as the daughter of President Hayes. They quickly form a plan to kidnap Jess in order to negotiate the release of Smith. They ambush the hikers, kill one of the bodyguards, and kidnap Jess.With the help of one of the river guides, Grant Coleman (Savant), Alex searches for Jess and attempts a daring rescue.