Ten fishermen from Cornwall are signed by Universal Records and achieve a top ten hit with their debut album of Sea Shanties. Based on the true-life story of Cornish folk band, Fisherman's Friends.
| Actor | Role |
|---|---|
 Daniel MaysDanny | Danny |
 James PurefoyJim | Jim |
 Tuppence MiddletonAlwyn | Alwyn |
 David HaymanJago | Jago |
 Dave JohnsLeadville | Leadville |
 Sam SwainsburyRowan | Rowan |
 Maggie SteedMaggie | Maggie |
 Noel ClarkeTroy | Troy |
 Christian BrassingtonHenry | Henry |
 Vahid GoldDriss | Driss |
| SSandy FosterCassie | Cassie |
 Christopher VilliersCharles Montague | Charles Montague |
 Jade AnoukaLeah Beese | Leah Beese |
 Sarah WinterSian Thompson | Sian Thompson |
 Julian SeagerTrieve | Trieve |
 Ken DruryJohn Pritchard | John Pritchard |
 Charlotte BakerAbigail | Abigail |
| MMae VoogdSally | Sally |
| MMeadow NobregaTamsyn | Tamsyn |
 Jo HartJournalist | Journalist |
| RRichard HainsworthFisherman #1 | Fisherman #1 |
| PPeter HicksFisherman #2 | Fisherman #2 |
| JJim MainFisherman #3 | Fisherman #3 |
| KKevin Patrick McGarryFisherman #4 | Fisherman #4 |
| MMichael ScottFisherman #5 | Fisherman #5 |
 Rory WiltonFisherman #6 | Fisherman #6 |
 Oliver WellingtonRicardo | Ricardo |
| AAshley BannermanParamedic | Paramedic |
| JJason BaileyNaval Officer Peterson | Naval Officer Peterson |
| LLucy RoseMusic Executive | Music Executive |