Theresa Diaz is a fictional character on FOX series The O.C., played by Navi Rawat. She is the child of Eva Diaz and the sister of Arturo Diaz, who is the best friend of Trey Atwood.
Theresa is a childhood friend of Ryan Atwood, and the two have engaged in an "off and on" relationship, which came to a halt upon Ryan's departure from Chino. Over the Thanksgiving holiday, Ryan briefly returned to Chino to pay off Trey's debts, at the request of a s...
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Theresa Diaz
Fictional Character
Character Created By
Josh Schwartz
Josh Schwartz (born August 6, 1976) is an American screenwriter and television producer. Schwartz is best known for creating and executive producing the Fox drama The O.C. Schwartz recently developed The CW's teen drama series, Gossip Girl from the hit Gossip Girl books, and co-created NBC's comedy...