What is the late seating policy for Sweeney Todd? Performance starts promptly at the advertised time. Latecomers will be seated at the discretion of management. Related articles What time should I arrive at the Lunt-Fontanne theatre for Sweeney Todd? How long is Sweeney Todd? When will Josh Groban perform as Sweeney Todd? Where can I find more information about The Lunt-Fontanne Theatre? How long is The Lion King?