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David Fincher's "Mank" is the latest Hollywood film with a huge age discrepancy between the actors playing an onscreen couple -- in this case, 29 years between Gary Oldman and Tuppence Middelton. (That's all the more jarring since screenwriter Herman Mankiewicz and his wife, Sara, were the same age in real life.) Here are other examples of Hollywood's mismatched casting choices.

Touchstone Pictures
Richard Gere and Julia Roberts in "Pretty Woman" (1990)

Constellation Entertainment
Harrison Ford and Julia Ormond in "Sabrina" (1995)

Tristar Pictures
Jack Nicholson and Helen Hunt in "As Good As It Gets" (1997)

Kaufman Films
Michael Douglas and Gwyneth Paltrow in "A Perfect Murder" (1998)

Slough Pond
James Spader and Maggie Gyllenhaal in "Secretary" (2002)

Columbia Pictures
Jack Nicholson and Amanda Peet in "Something's Gotta Give" (2003)

Egg Films
Choi Min-sik and Kang Hye-jung in "Oldboy" (2003)

Focus Features
Bill Murray and Scarlett Johansson in "Lost in Translation" (2003)

Touchstone Pictures
Steve Martin and Claire Danes in "Shopgirl" (2005)

Dimension Films
Bruce Willis and Jessica Alba in "Sin City" (2005)

DreamWorks Pictures
Alan Rickman and Jayne Wisener in "Sweeney Todd: The Demon Barber of Fleet Street" (2007)

Lakeshore Entertainment
Ben Kingsley and Penelope Cruz in "Elegy" (2008)

Warner Bros.
Steve Carell and Anne Hathaway in "Get Smart" (2008)

Fox Searchlight Pictures
Jeff Bridges and Maggie Gyllenhaal in "Crazy Heart" (2009)

Millennium Films
Robert De Niro and Milla Jovovich in "Stone" (2010)

Columbia Pictures
Daniel Craig and Rooney Mara in "The Girl With The Dragon Tattoo" (2011)

Gravier Productions
Colin Firth and Emma Stone in "Magic in the Moonlight" (2014)