Separated at birth

  [Aaron Taylor-Johnson as Count Alexei Kirillovich Vronsky in Anna Karenina (dir. Joe Wright, 2012) and Gene Wilder as Dr. Frederick Frankenstein in Young Frankenstein (dir. Mel Brooks, 1974). Click either image for a larger view.]

I wish someone had said “We need to make him look less like young Frankenstein.”

Also separated at birth
Claude Akins and Simon Oakland : Ernest Angley and Joaquín “El Chapo” Guzmán : Nicholson Baker and Lawrence Ferlinghetti : William Barr and Edward Chapman : Bérénice Bejo and Paula Beer : Ted Berrigan and C. Everett Koop : David Bowie and Karl Held : Victor Buono and Dan Seymour : Ernie Bushmiller and Red Rodney : John Davis Chandler and Steve Buscemi : Ray Collins and Mississippi John Hurt : Broderick Crawford and Vladimir Nabokov : Ted Cruz and Joe McCarthy : Benedict Cumberbatch and Michael Gough : Henry Daniell and Anthony Wiener : Jacques Derrida, Peter Falk, and William Hopper : Adam Driver and Henri Gaudier-Brzeska : Bonita Granville and Cyndi Lauper : Charles Grassley and Abraham Jebediah Simpson II : Elaine Hansen (of Davey and Goliath) and Blanche Lincoln : Barbara Hale and Vivien Leigh : Pat Harrington Jr. and Marcel Herrand : Harriet Sansom Harris and Phoebe Nicholls : Steven Isserlis and Pat Metheny : Colonel Wilhelm Klink and Rudy Giuliani : Ton Koopman and Oliver Sacks : Steve Lacy and Myron McCormick : Don Lake and Andrew Tombes : Markku Luolajan-Mikkola and John Malkovich : William H. Macy and Michael A. Monahan : Fredric March and Tobey Maguire : Chico Marx and Robert Walden : Elisabeth Moss and Alexis Smith : Jean Renoir and Steve Wozniak : Molly Ringwald and Victoria Zinny