Rebecca MacLean is a theatre actress, and has starred in Chicago at Victor Gardens Theater, and performed at Chicago's Northlight, Steppenwolf, and Goodman Theatres.

Theatre credits include Corinna Stroller in The House Of Blue Leaves, Eve in The Mystery Cycle: Creation, Geraldine Barclay in What The Butler Saw, and Clara Eynsford-Hill in Pygmalion (Court Theatre); Sybil in Private Lives, Cecily in The Importance Of Being Earnest, and Karen in Speed-The-Plow (Berkeley Repertory); and Titiana in A Midsummer Night's Dream, Lady Montague in Romeo and Juliet, Nerissa in The Merchant of Venice, Rosaline in Love's Labour's Lost, Emilia in Othello, Katherina in The Taming of the Shrew, Constance in King John, Elizabeth in Richard III, Isabella in Measure for Measure, and Beatrice in Much Ado About Nothing (Illinois Shakespeare Festival).