Michael Sheen
— First Voice
Matthew Rhys
— New York Voice
Griff Rhys Jones
— Voice
John Rhys-Davies
— Voice
Aimee-Ffion Edwards
— Laugharne Voice
Rakie Ayola
— Voice
Andrew Howard
— Voice
Tom Jones
— Captain Cat
Ioan Gruffudd
— Mog Edwards
Kimberley Nixon
— Myfanwy Price
Katherine Jenkins
— Polly Garter
Aneurin Barnard
— Drowned
Iwan Rheon
— Drowned / Evans the Death
Tom Rhys Harries
— Drowned / Willy Nilly
Karl Johnson
— Drowned / Voice
Craig Roberts
— Nogood Boyo
Jonathan Pryce
— Mr. Pugh
Siân Phillips
— Mrs. Pugh
Bryn Terfel
— Rev Eli Jenkins
Charlotte Church
— Mrs. Ogmore Pritchard
Tom Ellis
— Mr. Ogmore
Aneirin Hughes
— Mr. Pritchard
Richard Harrington
— Neighbour
Mark Lewis Jones
— Neighbour
Melanie Walters
— Neighbour
Sophie Evans
— Neighbour
Eve Myles
— Lily Smalls
Robert Pugh
— Butcher Beynon
Suzanne Packer
— Mrs. Beynon
Alexandra Roach
— Mae Rose Cottage