Hazel Haskett is the young heroine of Dolphin Tale and its sequel.
Hazel is the daughter of Dr. Clay Haskett, who runs an aquarium with a firm hand. She is loving, strong-willed, and shows a strong sense of compassion to the animals of the marine park. When a wounded bottlenose dolphin named Winter is washed up on shore, a young boy named Sawyer takes care of her. Hazel plays a big part in aiding the boy and nurturing Winter. In the sequel, she helps her father find another female dolphin to care for Winter when the dolphin is in danger of being separated from the marine park.
- Hazel is played by Cozi Zuehlsdorff.