|Portrayed by||Matt Thompson|
|First appearance||The Thin Red Line|
|Last appearance||The Thin Red Line|
|Family||Kaylee Madigan (daughter)|
Joseph Purcell is one of the murder victims in The Thin Red Line. He was murdered along with his girlfriend, Patrice Madigan, because he was a key witness against the trial of Rick Carass. The murderer was Sam Blakely.