Vikings 4x01: A Good Treason
| Serie | Vikings |
| Staffel | 4 |
| Folge | 1 |
| Länge | 44 Minuten |
| Genres | Action, Adventure, Drama |
| Erstausstrahlung | 16.03.2017 |
| Autoren | Michael Hirst |
| Regisseur | Ciaran Donnelly |
Die Schauspieler der Episode
| Schauspieler | Rolle |
|---|---|
| Travis Fimmel | Ragnar Lothbrok |
| Katheryn Winnick | Lagertha |
| Clive Standen | Rollo |
| Gustaf Skarsgård | Floki |
| Alexander Ludwig | Bjorn Lothbrok |
| Alyssa Sutherland | Queen Aslaug |
| Ben Robson | Kalf |
| Lothaire Bluteau | Emperor Charles |
| John Kavanagh | The Seer |
| George Blagden | Athelstan (credit only) |
| Dianne Doan | Yidu |
| Maude Hirst | Helga |
| Owen Roe | Count Odo |
| Edvin Endre | Erlendur |
| Georgia Hirst | Torvi |
| Søren Pilmark | Stender (credit only) |
| Morgane Polanski | Princess Gisla |
| Stephen Rockett | Hvitserk |
| Luke Shanahan | Ubbe |
| Elijah O'Sullivan | Sigurd |
| James Quinn Markey | Ivar |
| Steve Wall | Einar |
| Shashi Rami | Slave Trader |
| Rosalie Connerty | Angrboda |
| Barry McGovern | French Archbishop |
| Frankie McCafferty | Sinric |
| Huw Parmenter | Roland |
| Karen Hassan | Therese |
| Simon Jewell | Frankish Officer |
| Cillian O'Sullivan | Eirik |
| Jordan Coombes | Viking Settler (uncredited) |
| Kristine Kenina | Shield Maiden (uncredited) |
| Ross Magee | Boat Captain (uncredited) |