Fear asked then to film a sex scene that hadn't been made explicit in the script, she said no. But she says the experience was formative for the rest of her career. In the movie, also starring Marc Wahlberg, Wahlberg's character uses his fingers to make Witherspoon's character orgasm while the two are on a rollercoaster—but Witherspoon said the details of that scene weren't known to her beforehand.“It wasn’t explicit in the script that that’s what was going to happen, so that was something that I think the director thought of on his own and then asked me on set if I would do it, and I said no.