At the start of her career, she acted in regional theater productions and also sang in several commercials.
She won a Critics Table Award for Best Actress for her work in Oliver! and a Drama Desk Award for her role in 9 to 5.
She starred opposite her husband, Sebastian Arcelus, in the first national tour of Wicked.
Paige O'Hara voiced Belle in the 1991 movie Beauty and the Beast; Block portrayed the same heroine on stage.