Warner accompanied Macready to Drury Lane, and was on 29 April 1842 the Queen in "Hamlet", and on 10 December the original Lady Lydia Lynterne in Westland Marston's "Patrician's Daughter".In 1843 she acted with Samuel Phelps in Bath, and on 27 May 1844, with him and T. L. Greenwood, began the management of Sadler's Wells, opening as Lady Macbeth, and speaking an address by Serle.