Title: List of Back to the Future characters
Content:  Jennifer Jane Parker is dating Marty McFly. In 2015, in Back to the Future Part II, they are married. Melora Hardin was initially cast to the role, to appear alongside Eric Stoltz's Marty McFly. After Stoltz was fired from the production and Michael J. Fox was brought in, Claudia Wells was cast to portray the character, as Hardin was deemed too tall to appear next to the much shorter Fox. However, Wells was not available to film the sequels for personal reasons, and the role was recast to Elisabeth Shue although Wells reprised her role as Jennifer in Back to the Future: The Game as a punk rock version of her character. Consequently, the opening scene of Back to the Future Part II was re-shot with Shue taking Wells' place, rather than using the ending of Back to 
Title: Claudia Wells
Content:  Claudia Grace Wells is an American actress and businesswoman, best known for her role as Jennifer Parker in the film Back to the Future (1985).
Title: List of Back to the Future characters
Content:  Future. In the spin-off Back to the Future: the Animated Series, Jennifer was voiced by Cathy Cavadini. In 1985, Jennifer attends Hill Valley High School, along with her boyfriend Marty. In the animated series, Jennifer is enrolled to Hill Valley College with Marty after graduating high school and working part-time as a tutor. She lives with her family on a ranch, the deed to which was owned by Biff Tannen, after one of his ancestors forced Jennifer's great-great-grandfather to sign it over by holding Jennifer's great-great-grandmother hostage. In the episode "A Friend in Deed", Marty travels back in time to 1875 and sabotages the deal with help from Jules and Verne. In the future witnessed in Back to the Future Part II, Jennifer and Marty had two children, Marlene and Marty Jr. (both played by Michael J. Fox)
Title: List of Back to the Future characters
Content:  Marty Jr. and Marlene McFly (both portrayed by Michael J. Fox) are Marty McFly and Jennifer Parker's future son and daughter in 2015 in Part II. Originally, 17-year-old Marty Jr. was to be arrested and sentenced to fifteen years in prison for joining a robbery initiated by Griff and his gang. Marlene attempted to help Marty Jr. break out of jail but failed and was sentenced to twenty years in a woman's prison. Doc and Marty prevented the event from ever happening.
Title: Back to the Future
Content:  Zane, Tim Robbins, and J. J. Cohen were considered to play Biff Tannen. Cohen was not considered intimidating enough against Stoltz, and the role went to Thomas F. Wilson; his first feature starring role. Zane and Cohen were cast as Biff's minions Match and Skinhead instead. Tannen's name was taken from Universal Studios executive Ned Tanen, who had been unpleasant with Gale and Zemeckis. Melora Hardin was cast as Jennifer Parker on a two-film contract. After Stoltz was replaced, the crew were polled about Hardin being taller than Fox; the female crew overwhelmingly voted Marty should not be shorter than his girlfriend. Hardin was replaced by Claudia Wells, who had been earlier offered the role but turned it 
Title: List of Back to the Future characters
Content:  Lorraine Baines-McFly (portrayed by Lea Thompson and voiced by Aimee Miles in Back to the Future: The Game) is married to George McFly and the mother of Marty, Linda and Dave. She is the oldest daughter of Sam (George DiCenzo) and Stella (Frances Lee McCain) Baines, and sister of Milton (Jason Hervey), Sally (Maia Brewton), Toby, and Joey. In Back to the Future, Lorraine is initially portrayed in 1985 as middle-aged and unhappy. After Marty changes the timeline, she is shown to be fit and happily married to George in 1985. In Part II, Lorraine is still happily married to George in 2015 but they are constantly disappointed in Marty for giving in to peer pressures that make his life difficult. In the dystopian alternate 1985 timeline, she is widowed and married to Biff Tannen.
Title: Back to the Future Part II
Content:  to acting with a starring role in the 2008 independent film Still Waters Burn. She is one of the few cast members not to make an appearance within the bonus material on the Back to the Future Trilogy DVD set released in 2002. However, she is interviewed for the Tales from the Future documentaries in the trilogy's 25th anniversary issue on Blu-ray Disc in 2010. In 2011, she finally had the opportunity to reprise her role from the first film, 26 years after her last appearance in the series, by providing the voice of Jennifer for Back to the Future: The Game by Telltale Games.
Title: Claudia Wells
Content:  1985 film Back to the Future. She almost did not end up in the first film of the successful franchise. According to Wells, she had been cast, but a pilot she had done for ABC had been picked up, and she was contractually forced to drop out of Back to the Future. During that time, Eric Stoltz had been shooting for five weeks in the role of Marty McFly. Melora Hardin was slated for the role of Jennifer though she never actually filmed any scenes. The producers halted filming and replaced Stoltz with Michael J. Fox. By then, Wells's pilot had been finished and she 
Title: List of Back to the Future characters
Content:  George Douglas McFly (portrayed by Crispin Glover in Back to the Future and by Jeffrey Weissman in Back to the Future Part II and Back to the Future Part III and voiced by Michael X. Sommers in Back to the Future: The Game) is married to Lorraine Baines McFly and is the father of Marty, Linda and Dave. Although he is one of the main characters in the first movie, George only makes cameos in Back to the Future Part II and Back to the Future Part III. In the first film, George is portrayed as weak and the main target of Biff Tannen's bullying. The novelization of the film expounds on George's history 
Title: List of Back to the Future characters
Content:  Linda McFly (portrayed by Wendie Jo Sperber) is the middle child and only daughter of George and Lorraine McFly. In 1985 before Marty went to 1955, Linda is having boy trouble and it is unknown if she is in college or has a job. In 1985 after Marty went to 1955, Linda works in a boutique and has gained the attention of many boys.

Question: who played jennifer in back to the future?
Answer: Claudia Grace Wells.