David O'Malley Creator Emma Greenwell Myfanwy Thomas Actor Jon Fletcher Alex Gestalt Actor Adrian Lester Conrad Grantchester Actor Olivia Munn Monica Reed Actor Ronan Raftery Robert Gestalt Actor Joely Richardson Linda Viscountess Farrier Actor Joshua Squire Myfanwy's Friend Actor Catherine Steadman Eliza Gestalt Actor Toby Cordes Myfanwy's Friend Actor Tamsin Topolski Bronwyn Actor Barry Atsma Peter van Syoc Actor Howard Corlett Trevor Birch Actor Luke Roberts Marcus Kevler Actor Karyn Usher Executive Producer Stephen Garrett Executive Producer China Moo-Young Director Kari Skogland Director Steve Clark-Hall Producer Francesca Gardiner Writer