Als de Eerste Wereldoorlog begint melden Billy en Jack Kelly zich samen met hun neef Paddy aan voor het leger. Ze worden verscheept naar Europa. Nadat hun missie er daar opzit, gaan ze terug naar thuis en dan beginnen de problemen...
Nee, helaas is William Kelly's War nog niet beschikbaar op Netflix in Nederland.
| Editing | Digby Hogan | Editor |
| Sound | Fabrice Galli | Sound Recordist |
| Sound | Phil Lambert | Music |
| Sound | Timothy McCormick | Sound Mixer |
| Sound | Steven Bond | Sound Recordist |
| Production | James M. Vernon | Executive Producer |
| Visual Effects | Kelly Sheeran | Visual Effects Supervisor |
| Production | Phillip Avalon | Producer |
| Costume & Make-Up | Jessica McCurdy | Key Makeup Artist |
| Production | Lisa Embleton | Production Coordinator |
| Writing | Josh Davis | Writer |
| Editing | Andrew Knight | Editor |
| Costume & Make-Up | Georgia Walsh | Makeup Artist |
| Production | Andrew Knight | Associate Producer |
| Writing | Geoff Davis | Writer |
| Production | Dale G. Bradley | Co-Producer |
| Production | Grant Bradley | Executive Producer |
| Writing | Mat Davis | Writer |
| Production | Brigitte Jean Allen | Supervising Producer |
| Production | John L. Bickford | Producer |
| Production | Geoff Davis | Producer |
| Camera | Damien Beebe | Director of Photography |
| Production | Lav Bodnaruk | Producer |
| Production | Michael Mier | Producer |
| Directing | Geoff Davis | Director |
