 | Bobby George als Self - World Darts Runner Up 1980 & 1994 |
 | Phil Taylor als Self - World Number 3 |
 | Michael van Gerwen als Self - World Number 1 |
 | Gary Anderson als Self - World Number 2 |
| Eric Bristow als Self - World Darts Champion 1980, 1981, 1984, 1985, 1986 |
| Bob Anderson als Self - World Darts Champion 1988 |
| Keith Deller als Self - World Darts Champion 1983 |
| Rod Harrington als Self - World Darts Runner Up 1995 / Director of PDC |
 | Raymond van Barneveld als Self - World Number 16 |
| Kirk Bevins als Self - Referee |
| Robert Thornton als Self (archive footage) |
| Russ Bray als Self - Referee |
| Peter Wright als Self - World Number 4 |
| Keegan Brown als Self (archive footage) |
| Adrian Lewis als Self - World Number 6 |
 | Ronnie O'Sullivan als Self - 5-times World Snooker Champion |
| Dave Chisnall als Self (archive footage) |
| James Wade als Self - World Number 7 |
| Tommy Gilmour als Self - Manager of Gary Anderson |
| Sharon MacFarlane als Self - Youth Director of Scottish Darts Association |
| Paul Hinks als Self (archive footage) |
| Barry Hearn als Self - Chairman of Professional Darts Corporation |
| Andy Boulton als Self (archive footage) |
| Stephan Waldert als Self - Institute of Neuroscience at University College London |
| Rene Eidams als Self (archive footage) |
| Will Greenwood als Self - Rugby World Cup Winner 2003 |
| Rory Hopkins als Self - Sky Sports Darts Executive Producer |
| Jelle Klaasen als Self - World Number 19 |
| Simon Whitlock als Self (archive footage) |
| Arjan van der Giessen als Self - Darts Reporter at RTL |
| Alastair Cook als Self - England Cricket Champion |
| Rachel Ford als Self |
| Sid Waddell als Self (archive footage) |
| Dan Waddell als Self - Writer / Son of Sid Waddell |
| Tommy Cox als PDC Co-Founder / World Championship Tournament Director |
| Olly Croft als Self (archive footage) |
| Lorna Croft als Self (archive footage) |
| Dimitri van den Bergh als Self (archive footage) |
| Leon Davis als Self - Lecturer at University of Northampton |
| George Noble als Self (archive footage) |
| Daryl Gurney als Self (archive footage) |
| Wayne Mardle als Self - Former Darts Player / Commentator |
 | Marcus du Sautoy als Self - Simonyi Professor for the Public Understanding of Science |
| Dave Allen als Self - Media Manager at PDC |
| Adam Hunt als Self |
| Diogo Portela als Self |
| Lewis Cowes-Cracknell als Self |
| Dave Honey als Self |
| James Anderson als Self |
| Patrick Chaplin als Self |
| Dave Lanning als Self |
| Daniel Mendelle | Director |
| Barry Hearn | Executive Producer |
| Heather Greenwood | Co-Producer |
| Daniel Harris | Director |
| Leo Pearlman | Producer |
| Abi Heilbron | Line Producer |
| Ben Winston | Associate Producer |
| Eldad Guetta | Original Music Composer |
| Paul Burns | Art Direction |
| Barbara Elum-Baldres | Costume Designer |
| Catherine Airey | Production Manager |
| Jennifer Eriksson | Post-Production Manager |
| David J. Phillips | Production Supervisor |
| Tessa Stanway | Production Manager |
| Oliver Weinfeld | Title Designer |
| Rebecca Goodeve | Colorist |
| Colin J. Hughes | Online Editor |
| Joe Williams | Online Editor |
| Michelle De Vries | Music Supervisor |
| Paul Hillier | Other |
| Will Wood | Publicist |
| Ian Smith | Editor |
| Michael Johnson | Editor |
| Gabe Turner | Associate Producer |
| Benjamin Turner | Associate Producer |
| Angela Squire | Executive Producer |
| Helen Parker | Executive Producer |
| Alex Pickering | Editor |
| Connor Snedecor | Editor |
| Patrick Chaplin | Consulting Producer |
| John Smith | Researcher |
| Sam Marchant | Producer's Assistant |
| David Soutar | Producer's Assistant |
| Carly Shackleton | Production Manager |
| Penny LeVesconte | Production Manager |
| Holly May | Production Assistant |
| Megan Jakar | Production Assistant |
| Lauren Hale | Production Assistant |
| Rob Simmonds | Production Accountant |
| Darren Lovell | Camera Operator |
| Andrew Kemp | Camera Operator |
| Maurits Helfensteijn | Camera Operator |
| Joe Pearlman | Camera Operator |
| Daniel Brosnan | Sound Recordist |
| Kenny Ralston | Sound Recordist |
| Sean Millar | Sound Recordist |
| Ariel Sultan | Sound Recordist |
| Thijs Visser | Sound Recordist |
| Craig Sugden | Still Photographer |
| Ian Howes | Director of Photography |
| Rob Llewellyn | Camera Operator |
| Max Whitting | Camera Operator |
| Phil Barnes | Second Assistant Camera |
| Henry Howes | Gaffer |
| David J. Phillips | Post Production Coordinator |
| Lior Linevitz | Assistant Editor |
| Riccardo Clarke | Assistant Editor |
| Will Adams | Assistant Editor |
| George Phillips | Production Trainee |
| Ali Webb | Epk Camera Operator |
| Patrick Fischer | Post Production Coordinator |
| Marie Maitrot | Post Production Assistant |
| Valentina Rutigliano | Online Editor |
| Zudzai Zikhali | Camera Intern |
| Alex Joseph | Sound Designer |
| Timeri Duplat | Sound Effects Editor |
| Stelios Koupetoris | Dialogue Editor |
| Libertad Rodriguez | Sound Editor |
| James Feltham | Sound Re-Recording Mixer |
| Ian Bloom | Other |
| Pete Williams | Motion Capture Artist |
| Antony Green | Researcher |
