About
Willa Holland is an American actress and model known for her roles in popular television series. She gained recognition for playing Kaitlin Cooper in the Fox teen drama The O.C.. Later, she became widely recognized for her portrayal of Thea Queen in the CW series Arrow, a role she played for several seasons. In addition to her television work, Holland has also done voice acting, including the voice of Aqua in the Kingdom Hearts video game series.
Career Timeline
'The O.C.' Role
Plays Kaitlin Cooper in 'The O.C.', gaining recognition.
'Arrow' Series Regular
Stars as Thea Queen in 'Arrow', a significant career role.
Leaves 'Arrow' as Regular
Steps down as a series regular on 'Arrow', reducing her role.
Returns to 'Arrow' Finale
Returns for the final episode of 'Arrow', providing closure to her character's storyline.
Infrequent TV and Film Roles
Continues to take on infrequent roles in television and film, but no longer a household name.
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Last updated: February 21, 2026