Shannon Purser/Barb Holland - Stranger Things (Photo courtesy of Netflix)
Shannon Purser/Barb Holland - Stranger Things (Photo by Alberto E. Rodriguez/Getty Images)
Rory McCann/Sandor Clegane - Game of Thrones (Photo courtesy of HBO)
Rory McCann/Sandor Clegane - Game of Thrones (Photo by Ethan Miller/Getty Images)
America Ferrera/Ugly Betty (Photo courtesy of ABC)
America Ferrera/Ugly Betty (Photo by Matt Winkelmeyer/Getty Images for Sundance Film Festival)
Ruth Jones/Nessa - Gavin & Stacey (Photo courtesy of BBC)
Ruth Jones/Nessa - Gavin & Stacey (Photo by Stuart Wilson/Getty Images)
Pablo Schreiber/George Mendez - Orange is the New Black (Photo courtesy of Netflix)
Pablo Schreiber/George Mendez - Orange is the New Black (Photo by Lily Lawrence/Getty Images)
Johnny Galecki/Leonard Hofstadter - The Big Bang Theory (Photo courtesy of CBS)
Johnny Galecki/Leonard Hofstadter - The Big Bang Theory (Photo by Jamie McCarthy/Getty Images)
Mireille Enos/Sarah Linden - The Killing (Photo courtesy of AMC)
Mireille Enos/Sarah Linden - The Killing (Photo by CHRIS DELMAS/AFP/Getty Images)
Lena Headey/Cersei Lannister - Game of Thrones (Photo courtesy of HBO)
Lena Headey/Cersei Lannister - Game of Thrones (Photo by Alberto E. Rodriguez/Getty Images)
Emilia Clarke/Daenerys Targaryen - Game of Thrones (Photo courtesy of HBO)
Emilia Clarke/Daenerys Targaryen - Game of Thrones (Photo by Alberto E. Rodriguez/Getty Images)
Julie Hesmondhalgh/Hayley Cropper - Coronation Street (Photo courtesy of ITV Studios/Granada Television)
Julie Hesmondhalgh/Hayley Cropper - Coronation Street (Photo by Stuart C. Wilson/Getty Images)
Actors who look nothing like their characters