Katie was born and raised in Houston, TX. Best known for her role as Glinda the Good in the Broadway production of Wicked, she was also Glinda in the first national touring company of Wicked. Her Broadway debut was as Clara Johnson in The Lincoln Center Theatre’s production of The Light in the Piazza directed by Bartlett Sher. Also, as Clara, she appeared in the first national touring production of The Light in the Piazza. Her Broadway credits also include Hannah Campbell in Allegiance and Ellen in Miss Saigon. She will be seen this fall as Beth in Merrily We Roll Along on Broadway following a run earlier this year at NYTW.
On camera, she can be seen in roles on CBS’ The Good Wife and NCIS: New Orleans, as well as the independent film Maybe There’s A Tree. She also performed as Clara in the PBS national broadcast of Live from Lincoln Center: The Light in The Piazza. 
In regional theatre she is recognized for her role as Cathy Hiatt in The Last Five Years at the Long Wharf Theatre. For this role she was awarded the Connecticut Critics Choice Award for Best Actress in 2014.  She was also seen in the East Coast debut of Craig Lucas’ play Prayer For My Enemy as Marianne Noone at the Long Wharf Theatre Company directed by Bartlett Sher. Clarke appeared in the staged concert of Parade as Mrs. Phagan conducted by Jason Robert Brown at Lincoln Center.    
She lives in New York with her husband and family.
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