She's currently playing DCI Amy Silva in Vigil, which is made by the same producers as the BBC hit cop show.
Set designers were not allowed blueprints for real submarines to create the setting for the thrilling new series – this is how they managed it.
The BBC's new thriller comes from the makers of Line Of Duty, and stars Suranne Jones and Martin Compston.
The Doctor Foster star shot to fame after playing Karen McDonald in the ITV soap in the early noughties.
“I’d been feeling edgy, nervous around people."
She was unable to complete the last four shows on doctor's orders.
The 'Doctor Foster' star is on to another winner.
Could the 'Doctor Foster' star be heading back to the cobbles?
What's next for Gemma Foster?