<P> The next morning, Goofy decides to make Max the navigator of the trip . The two go to several locations that satisfy both of them . Eventually, they stop by a motel where they meet Pete and P.J. again . When Pete overhears a conversation between the boys, he tells Goofy that Max has tricked him into traveling to Los Angeles . The next day, Goofy and Max come to a junction: one leading to Idaho, the other to California . Max chooses the route to California, making Goofy stop the car at the Grand Canyon and storm off in anger . With the brake loose, the car drives off on its own; Goofy and Max chase after it and end up in a river . After a heated argument, Goofy solemnly declares that no matter how old Max gets he will always be his son, and the two finally reconcile with each other . After learning of Max's promise to Roxanne, Goofy decides to take him to the concert in Los Angeles . The two nearly plummet to their deaths down a waterfall, but Max saves Goofy using the Perfect Cast technique . </P> <P> Goofy and Max make it to the concert, and while attempting to sneak backstage, they end up onstage and dance with Powerline, watched by Pete, P.J. and Roxanne on separate televisions . Goofy and Max later return to Roxanne's house in their damaged car . Max tells the truth to Roxanne, though she accepts it and admits she always had feelings for him, ever since the first time she ever heard him laugh, "Ah - hyuck!"; thus, a relationship starts between them . Goofy's car suddenly explodes because of damage it had sustained, ejecting Goofy in the process, who then falls through the porch roof of Roxanne's house, and Max proceeds to introduce him to Roxanne . </P> <Ul> <Li> Jason Marsden as Maximillan "Max" Goof, Goofy's insecure teenage son . Aaron Lohr makes a guest appearance as Max's singing voice . </Li> <Li> Bill Farmer as Goofy, Max's father who works as a photographer at a photo studio in a mall department store . </Li> <Li> Kellie Martin as Roxanne, Max's high school crush and love interest </Li> <Li> Jim Cummings as Pete, Goofy's coworker who he and Max happen upon during their road trip . </Li> <Li> Rob Paulsen as P.J., Pete's son and Max's best friend </Li> <Li> Pauly Shore (uncredited) as Robert "Bobby" Zimuruski, Max and P.J.'s other best friend at school . </Li> <Li> Jenna von Oÿ as Stacey, Roxanne's best friend . </Li> <Li> Julie Brown as Lisa, a student in Max's high school who, along with some other students, makes fun of Max until his performance as Powerline made her and the students congratulate Max . She is Chad's girlfriend . </Li> <Li> Joey Lawrence as Chad, a student in Max's high school who, along with some other students, makes fun of Max until his performance as Powerline made him and the students congratulate Max . He is Lisa's boyfriend . </Li> <Li> Tevin Campbell as the singing voice of Powerline, a famous pop star celebrity who Max looks up to . </Li> <Li> Wallace Shawn as Principal Mazur, the bad - tempered principal of Max's school . </Li> <Li> Frank Welker as Bigfoot, a monster who lives in the forest . </Li> <Li> Kevin Lima as Lester the Possum </Li> <Li> Florence Stanley as a Waitress </Li> <Li> Jo Anne Worley as Miss Maples </Li> <Li> Wayne Allwine as Mickey Mouse, who is seen hitchhiking alongside Donald Duck during Max and Goofy's road trip . He is also later seen in the audience at the Powerline Concert in L.A. </Li> <Li> Pat Buttram as the Possum Park Emcee </Li> <Li> Robyn Richards as Lesters Grinning Girl </Li> <Li> Herschel Sparber as a Security guard </Li> <Li> Brittney Alyse Smith as the Photo Studio Girl </Li> <Li> Corey Burton as Wendell </Li> <Li> Pat Carroll as a restaurant waiter . </Li> </Ul> <Li> Jason Marsden as Maximillan "Max" Goof, Goofy's insecure teenage son . Aaron Lohr makes a guest appearance as Max's singing voice . </Li>

Who plays the voice of powerline in a goofy movie