Kathleen Henderson was born and raised in New York City. She attended the High School of Performing Arts and the Stella Adler Conservatory. She studied Acting Technique, Scene Study, Script Interpretation and Play Analysis under Stella Adler. She studied Shakespeare under Mario Siletti at the Stella Adler Conservatory. Other teachers were the late actress Geraldine Page, John Barton (co-founder of the Royal Shakespeare Company ) John Strasberg, Terry Schreiber and Alan Langdon, Artistic Director of the Julliard School, Drama Departmentt.
Ms. Henderson’s credits include two years touring with The National Shakespeare Company portraying such roles as Juliet, in Romeo and Juliet, Lady Anne in Richard III, and Luciana in The Comedy of Errors.
Her regional credits include David Mamet’s The Water Engine, Thornton Wilders’s Our Town, Tennessee Williams’ Summer and Smoke. New York credits include Clifford Odetts’ Waiting for Lefty, Eugene O’Neill’s A Touch of the Poet, Chekhov’s The Bear, and Tennessee Williams’ This Property is Condemned.