Siri O'Neal is an actress, best known for Sharpe's Battle, Urban Ghost Story, Waterland, and The Children, Other film credits include Wycliffe and the Cycle of Death, The Cloning of Joanna May, and The Rachel Papers.

Television credits include Sandra Wilson on BBC’s Lovejoy and Araminta 'Minty' Cane in the BBC miniseries, Moondial.

Theatre credits include Tess in Tess Of The D'urbervilles (Queens Theatre); Hilde Wangel in The Master Builder (Riverside Studios); Ivana in Slip of the Tongue (Shaftebury Theatre); and Silvia Craven in The Philanderer (Hampstead Theatre).