He appeared from episode 609-611. He is Alice Jenkins' brother. When Lou Kelly escapes from hospital she seeks refuge on the Jenkins' farm in the country. Sean rapes Lou (609) and so she kills him (611) and shoots his mother for good measure. Sean and Lou Kelly fought for the gun but Lou won. Sean knows that Alice Jenkins took a murder wrap for Lou. Flora did not know and when she got told she told her to leave. Alice wants to kill Lou after she comes back to Wentworth.
Sean is played by Steve Millichamp.