Errico played Cosette in Les Misérables on a national tour. She also played Eliza Doolittle in My Fair Lady on Broadway, opposite Richard Chamberlain and Julian Holloway, at the Virginia Theater.
Errico's performances included playing Cosette in a national tour of Les Misérables and Eliza Doolittle in a Broadway production of My Fair Lady, both alongside Richard Chamberlain and Julian Holloway at the Virginia Theater.