be a dead ringer for

be a dead ringer for

To bear a strong resemblance to someone or something else. People sometimes ask Susie for her autograph because she is a dead ringer for Kate Winslet.
See also: dead, ringer
Farlex Dictionary of Idioms.
See also:
  • ringer
  • a dead ringer for somebody
  • a dead ringer for someone
  • dead ringer
  • dead ringer for (someone)
  • dead ringer for someone
  • look like a (dead) ringer for (someone)
  • look like a ringer
  • bear a resemblance to
  • bear a resemblance to (someone or something)
References in periodicals archive
But when the posters went up, he turned out to be a dead ringer for Monty Python star Michael Palin.
HE'S the cub scout who was not prepared... for being a lookalike