The cast of RTÉ/BBC drama Smother, from left: Niamh Walsh as Jenny; Dervla Kirwan as Val Ahern; Seána Kerslake as Grace and Gemma-Leah Devereux as Anna But nothing can compete with her hilarious nickname for ITV's This Morning presenter Holly Willoughby - who has a very public crush on Dervla's actor husband Rupert Penry-Jones - and later, we will get to that. First, though, Dervla stars in new RTÉ/BBC drama Smother, a family thriller that opens with her matriarch, Val Ahern's, 50th birthday party and the mysterious death of her "despicable" husband Denis (Stuart Graham). Their three daughters are played by Seána Kerslake (Can't Cope, Won't Cope), Gemma-Leah Devereux (The Tudors) and Niamh Walsh (Holby City).