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Rhodri Evan as Gwynfor Evans |
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Mark Lewis Jones as William Whitelaw |
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Eiry Thomas as Rhiannon Evans |
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Sian Reese-Williams as Margaret Thatcher |
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Rhodri Meilir as Nicholas Edwards |
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Lily Beau as Ceri Samuel |
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Lisa Jên Brown as Phyllis Kinney |
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Sharon Morgan as Marjorie |
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Claire Cage as Ymgynghorydd i'r Weinidog |
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Steffan Cennydd as Denis |
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Osian Davies as Rupert Edwards |
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Dyfan Dwyfor as Dafydd Wigley |
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Sion Eifion as Dafydd Elis-Thomas |
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Richard Elfyn as Goronwy Daniels |
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Carys Eleri as Nerys |
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Steven Elliot as Lord Harlech |
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Annes Elwy as Meinir Ffransis |
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Dafydd Emyr as Yr Arglwydd Cledwyn |
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Mensah Bediako as Martin Luther King |
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Rohit Gokani as Gandhi |
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Arwel Gruffydd as Wyn Roberts |
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Lowri Izzard as Manon |
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Nia Gwynne as Lady Littler |
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Mali O'Donnell as Ffion |
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Nicola Reynolds as Lady Plowden |
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Geraint Wyn Tod as Emyr Jenkins |
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Lisa Victoria as Jennie Eirian |
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Dewi Rhys Williams as G.O. Williams |
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Gwion Aled Williams as Fred Ffransis |
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Llion Williams as Gwilym |
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Daf Thomas as Morgan |
| Writing | Roger Williams | Writer |
| Production | Roger Williams | Producer |
| Directing | Lee Haven Jones | Director |
| Visual Effects | Kieran Williams | Visual Effects |
| Crew | Bryan Gavigan | Cinematography |
| Crew | Tack Baldwin | Stunt Coordinator |
| Editing | Mathew J. Rees | Colorist |
| Sound | Sion Trefor | Music |
| Art | Julia Jones | Art Direction |
| Editing | Kevin Jones | Editor |
| Costume & Make-Up | Simon Marks | Costume Design |
| Production | Nicola Reynolds | Casting |
| Crew | Gary Kane | Stunt Coordinator |
| Art | Vicki Male | Set Decoration |
| Art | Cai Dyfan | Art Direction |
| Costume & Make-Up | James Spinks | Makeup & Hair |
| Costume & Make-Up | James Spinks | Hair Designer |
| Costume & Make-Up | James Spinks | Makeup Designer |
