| Bill Nighy |
Cliff |
| Imelda Staunton |
Hefina |
| Dominic West |
Jonathan |
| Paddy Considine |
Dai |
| Andrew Scott |
Gethin |
| George MacKay |
Joe |
| Joe Gilgun (as Joseph Gilgun) |
Mike |
| Ben Schnetzer |
Mark |
| Chris Overton |
Reggie |
| Faye Marsay |
Steph |
| Freddie Fox |
Jeff |
| Jessica Gunning |
Sian |
| Joshua Hill |
Ray |
| Lisa Palfrey |
Maureen |
| Liz White |
Margaret |
| Monica Dolan |
Marion |
| Abram Rooney |
Young Guy |
| James McManus (as Jim McManus) |
Old Man |
| Matthew Flynn |
Tony |
| Lucy Timmons |
Woman with Little Girl |
| Jordan Metcalfe |
Charlie |
| Roger Morlidge |
Wardrobe Master |
| Dean Ashton |
Young Man |
| Adam Ewan |
Lecturer |
| Menna Trussler |
Gwen |
| Josh Rochford |
Drag Queen |
| Karina Fernandez |
Stella |
| Jessie Cave |
Zoe |
| Will Haddington |
Man with Camera |
| Rhodri Meilir |
Martin |
| Dion Lloyd-Jones |
Miner - Come On |
| Nia Gwynne |
Gail |
| Lee Shepherd |
Rhodri |
| Mary-Anne Dymond |
Rowena |
| Sophie Evans |
Debbie |
| Dyfan Dwyfor |
Lee |
| Jack Baggs |
Gary |
| Johnny Gibbon |
Johnny |
| Kyle Rees |
Carl |
| Bryan Parry |
Kevin |
| Ross Waiton |
Passerby Spitter |
| Joseph Wilkins |
Jason |
| Laura Matthews |
Tina |
| Christian Patterson |
Bingo Caller |
| Deddie Davies |
Old Lady |
| Bronwen Lewis |
Miner's Wife |
| Olwen Medi |
Gethin's Mother |
| Jams Thomas |
Union Man |
| Julie Barclay |
Woman 1 |
| Matthew Tennyson |
Boy from Printers |
| Jaimi Barbakoff (as Jaimi Barbarkoff) |
Receptionist |
| Ed Coleman |
Journalist 2 |
| Matthew Seadon-Young |
Volunteer 2 |
| Tomos Eames |
Volunteer 1 |
| Alexander Perkins |
Smiley Straight Man |
| Feargal Quinn |
Jimmy Somerville |
| Lauren Johns |
Straight Girl |
| Sean Hart |
Young Gay Man Electric |
| Nick Blair |
Rubber Man |
| Bill Nash |
Barman |
| Russell Tovey |
Tim |
| Richard Shanks |
Tim's Friend |
| Huw Euron |
Miner - Poem |
| Derek Barr |
Drunken Gay Man |
| Henry Garrett |
Man |
| David Lyndon |
Miner - Van |
| Neal Barry |
Motorist |
| James McGregor |
Policeman |
| Giles Cooper |
Steward |
| Clare Lawrence Moody (as Clare Lawrence-Moody) |
TV Woman |
