Characters in The Fault in Our Stars

Augustus (Gus) Waters

Hazel Grace Lancaster

A sixteen-year-old living with terminal thyroid cancer.

Augustus Waters

A confident cancer survivor who falls for Hazel at a support group.

Isaac

Hazel and Gus's friend, losing his sight to cancer.

Peter Van Houten

The reclusive author of Hazel's favorite novel, whom the pair travel to Amsterdam to meet.