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John O'Callaghan
From The TV IV
| John O'Callaghan | |
| Birth name | John Austin O'Callaghan |
| Notable Roles | |
| Notable Episodes | |
| Awards | |
 This article about an actor or actress needs to be expanded with more information.Please help out by editing it. |
Contents |
Roles
Guest Starring Roles
| Series | Role | Episode | Airdate |
|---|---|---|---|
| Stargate Atlantis | Niam | 3x05 - Progeny | August 11, 2006 |
| Stargate Atlantis | Niam | 3x06 - The Real World | August 18, 2006 |
| Stargate Atlantis | Niam | 3x11 - The Return (2) | April 13, 2007 |
