David Lyons

David Lyons (born 16 April 1976) is an Australian and American actor. He is known for his roles as Josh Holiday in the Nine Network navy drama Sea Patrol (2007–2009), Dr. Simon Brenner in the NBC medical drama ER (2008–2009) and as General Sebastian Monroe in the NBC post-apocalyptic drama Revolution (2012–2014). Early life and education Lyons was born in Melbourne, Victoria, Australia. He graduated from Yarra Valley Grammar school in 1993 and continued on to graduate from Australia's National Institute of Dramatic Art (NIDA) with a degree in Performing Arts (Acting) in 2004. Career In 2005, Lyons had a recurring role on the Seven Network police drama Blue Heelers and guest-starred on the Seven Network/Network Ten/Eleven soap opera Neighbours. Lyons starred in the Nine Network police drama Sea Patrol, where he played the Leading Seaman Josh Holiday for the show's first three series from 2007 until 2009.