Kuno the Tank Engine 12 is the twelvth video of the Kuno the Tank Engine series.
- Every Cloud has a Silver Lining
- Omfgyowtfx as Molly
- Luigi23466 as Lorry 2
- TheDevilMayRise1 as Lorry 3
- FoduckIzHott as Jenny Packard
- Luigi2346 as Ernest the Engine
- Metalnat111 as Stevie the Steam Train
- CathereneFan32 (Inncorrectly spelled CahtreneFan23) as the Old Engine
- Jonathan140 as Mr. Percival
- Busy Bee Luke
- Omfgyowtfx's picture was actually done while Part 10 was being created, but was delayed until this part. Felix Cheng did however make a seperate video for her.
- Luigi23466 appears to have the number 2 on his lisense plate, but Segasyzygy and TheDevilMayRise1 lack a number 1 and 3 respectively on them.
- CatherenceFan32's name was mispelled in the original, but in the revision, the spelling error is gone.