Stage appearances included the Shakespearian roles Juliet, Ophelia and Lady Macbeth; she was also well known for giving readings of plays.
[1][2] She appeared at Sadler's Wells Theatre as Marina in Shakespeare's Pericles, Prince of Tyre; it ran for 70 nights and was revived after an interval.
A reviewer in The Evening Star wrote: "Miss Heraud has evidently a strong poetic sympathy with the part — a vivid conception of what it is she has undertaken to represent; and speaks far more from impulse than from rule.
In 1854 she appeared at the Royal Grecian Theatre in a version of Salomon Hermann Mosenthal's play Deborah, which ran for 100 nights.
Her clear mellow voice reached the ears of the vast audience, as was shown by the bursts of applause that followed her impassioned recitations, and her skill as an actress enabled her to give animation to the scene."