In the play The Diary of Anne Frank , Act II, it is the thief who tells the Nazis about the people hiding in the attic.

Quick answer

  • The person who betrays the group in the Secret Annex in Act II of the play is the thief who had broken into the building.
  • Later, it is reported that this thief is the one who informs the Nazis about the hidden families in the attic.

Context in the play

  • Throughout the play, there are break-ins and suspicious noises downstairs, creating fear that someone might discover them.
  • By the end, it is revealed (through Miep’s report in the final scene) that the thief who had been in the building is the one who reported the attic to the Nazis.

Meta description (SEO):
In The Diary of Anne Frank , Act II, the person who tells the Nazis about the people in the attic is the thief who had broken into the building, leading to their arrest.

Information gathered from public forums or data available on the internet and portrayed here.