The show, from newcomer writer Mark Marlow, will star Smith as office cleaner Sam who gets caught up in insider trading.
Every unattended bag, police car, low flying helicopter, sudden noise or movement or sign of “suspicious” behaviour convinced me that another terror attack was unfolding.
The devastated 35-year-old released a statement to ask her fans for "privacy", also confirming that she won't be taking to the stage with the Funny Girl cast on Tuesday for the annual show.
The message read: “Sheridan’s much loved father sadly passed away this week.
Late last year, I was caught up in the Paris terror attacks.
This led to a resurgence of the post-traumatic stress disorder I had developed – but largely got over – after a man tried to strangle me to death in 2010.