Potential face claims for the Prewett twins:
NAME: Eddie Redmayne
DATE OF BIRTH: 6 January 1982
NATIONALITY: British
EYE COLOUR: green
HAIR COLOUR: red/brown/black/blonde
NAME: Harry and Luke Treadaway
DATE OF BIRTH: 10 September 1984
NATIONALITY: British
EYE COLOUR: blue
HAIR COLOUR: blonde/black/red
NAME: Shawn and Aaron Ashmore
DATE OF BIRTH: 7 October 1979
NATIONALITY: Canadian
EYE COLOUR: blue
HAIR COLOUR: blonde/brown/red
NAME: Oliver Dale
DATE OF BIRTH: 1992
NATIONALITY: British
EYE COLOUR: green
HAIR COLOUR: red
NAME: Linus Wordermann
DATE OF BIRTH: 25 October 1996
NATIONALITY: German
EYE COLOUR: hazel
HAIR COLOUR: red
NAME: Fionn Creber
DATE OF BIRTH: unknown
NATIONALITY: British
EYE COLOUR: green
HAIR COLOUR: strawberry blonde
NAME: Gustav Morstad
DATE OF BIRTH: unknown
NATIONALITY: Norwegian
EYE COLOUR: green
HAIR COLOUR: red
NAME: KJ Apa
DATE OF BIRTH: 17 June 1997
NATIONALITY: New Zealander
EYE COLOUR: brown
HAIR COLOUR: red
NAME: Domhnall Gleeson
DATE OF BIRTH: 12 May 1983
NATIONALITY: Irish
EYE COLOUR: green
HAIR COLOUR: red
(suggested by somniatis_ and kencbi)