Jesse Gordon Spencer (born 12 February, 1979) is an Australian actor and musician. He is known for his roles as Billy Kennedy on the Australian soap opera Neighbours (1994–2000), for which he was nominated for two Logie Awards, Dr. Robert Chase on the American medical drama House (2004–2012) and Captain Matthew Casey on the American drama Chicago Fire (2012–2023).

Filmography

• Last Days of the Space Age — Tony Bissett
• 2021Queer Fish in God's Waiting Room — Liam
• Chicago Med — Matthew Casey
• 2015The Girl Is in Trouble — Nicholas
• Chicago P.D. — Matthew Casey
• Chicago Fire — Matthew 'Matt' Casey
• 2012House M.D.: The Doctor Directs
• 2010Tell-Tale — Lover
• Phineas and Ferb — Liam McCracken (voice)
• 2006Flourish — Eddie Gator
• 2006The Script — Ben
• 2004Action Man: Robot ATAK — Flynt (voice)
• House — Robert Chase
• Death in Holy Orders — Raphael Arbuthnot
• 2003Swimming Upstream — Tony Fingleton
• 2003Uptown Girls — Neal
• 2002Stranded — Fritz Robinson
• Stranded — Fritz Robinson
• 2001Curse of the Talisman — Jeremy Campbell
• 2001Lorna Doone — Marwood de Whichehalse
• 2001Winning London — Lord James Browning Jr.
• Lorna Doone — Marwood de Whichehalse
• Hercules — Triton Jr. (voice)
• Blue Heelers — Lee Cruickshank
• Time Trax — Young Bill
• Neighbours — Billy Kennedy

Appearances as themselves (10)

• 2012House: Swan Song — Self
• American Idol — Self
• Last Call with Carson Daly — Self
• Live & Kicking — Self
• Billboard Music Awards — Self - Presenter
• This Morning — Self
• People's Choice Awards — Self
• Today — Self - Guest
• The Emmy Awards — Self
• Golden Globe Awards — Self - Presenter