 | Kate Ashfield als Sadie MacGregor |
 | Peter Mullan als Neonatologist |
 | Anthony Borrows als Luke |
 | Sian Reeves als Glenda |
 | Alan Stocks als Alan |
| Corinne Skinner-Carter als Midwife |
| Alexis Tuttle als Doctor at Birth |
 | Emma Lowndes als Nurse at Birth |
 | Linda Bassett als Nurse Nina |
 | Shauna Shim als Nurse Janey |
| Gerry Hinks als Richie's Father |
| Judi Jones als Richie's Mother |
 | Caroline O'Neill als Nurse Babs |
 | Archie Panjabi als Niala |
| Zara Bridget Bell als Baby Luke |
| Frasier Cordon als Baby Luke |
| Rebecca Jade Evans als Baby Luke |
| Joshua Freeman als Baby Luke |
 | Rani Moorthy als Registrar at Birth |
| Bernard Nagle als Sadie's Dad |
| Sarah Raymond als Temporary Nurse |
| Leon Sellers als Baby Luke |
 | David Morrissey als Richie MacGregor |
| Sarah Gavron | Director |
| Neil Morrill | Special Effects |
| Sam Whymant | Floor Runner |
| Carly Green | Makeup & Hair Assistant |
| Giancarlo Dellapina | Sound Mixer |
| Per Tingleff | Second Unit Director of Photography |
| Justinian Buckley | Assistant Editor |
| Colin Mutch | Dressing Prop |
| Kim Harding | Boom Operator |
| Sara Deane | Clapper Loader |
| Otto Stenov | Gaffer |
| Beverley Keogh | Additional Casting |
| Andy Stebbing | Production Coordinator |
| Paul McGavin | Set Runner |
| Jeremy Howe | Executive Producer |
| Jim Bishop | Focus Puller |
| Peta Inglesent | Production Accountant |
| Francesca Franklyn | Script Editor |
| Dario Marianelli | Music |
| Simon Noone | Second Assistant Director |
| Ian Morse | Special Effects |
| Lisa Phillips | Costume Assistant |
| Rosemary Kay | Writer |
| William Diver | Editor |
| Joyce Nettles | Casting |
| Rebecca Hemy | Standby Art Director |
| Mark Foster | Costume Supervisor |
| Temple Clark | Storyboard Artist |
| Tim Lewiston | Dialogue Editor |
| Ergin Ahmet | Colorist |
| Helen Moran | Script Supervisor |
| Eliza Mellor | Production Executive |
| Joanna Gueritz | Production Executive |
| David Thompson | Co-Executive Producer |
| Neil Morrill | Makeup Effects Designer |
| Mark O'Hanlon | Location Manager |
| David Munns | Production Design |
| Guy Barker | Third Assistant Director |
| Douglas Cooper | Production Accountant |
| Simon Turner | First Assistant Director |
| Mike Roberts | Prop Maker |
| Neill Gorton | Special Effects |
| Howard Schuman | Story Consultant |
| Tom Carruthers | Special Effects |
| David Katznelson | Cinematography |
| Sue Booth | Art Direction |
| Natalie Shearer | Art Department Assistant |
| Duncan Wheeler | Production Runner |
| Fiona Morham | Head of Production |
| Sarah Kaye | Production Accountant |
| Emma Clarke | Senior Executive Consultant |
| Michelle Smith | Casting |
| Julian Day | Costume Design |
| Robert Farr | Recording Supervision |
| Katie Easton | Assistant Director Trainee |
| Joanne Bendon | Production Accountant |
| Sandra Shuttleworth | Production Manager |
| Doug Cooper | Recording Supervision |
| Michael C. Hawk | Grip |
| Jakob Hire | Second Unit Director of Photography |
| Alessandra Scherillo | Second Unit Director of Photography |
| Paul Sparrow | Production Runner |
| Joe Oppenheimer | Production Executive |
| Stewart Mackinnon | Producer |
| Paul Ritchie | Line Producer |
| Joyce Dean | Makeup Designer |
| Gustav Hoegen | Special Effects |
| Dan Thomas | Best Boy Grip |
| Cas Casey | Online Editor |
| Colin Pons | Production Executive |
| Paul Trijbits | Co-Executive Producer |
| Matthew Vizard | Post Production Supervisor |
| Beverley Gerard | Dressing Prop |
| Eddie Done | Electrician |
| Adam Suschitzky | Second Unit Director of Photography |
| Peter Fuchs | Score Engineer |