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).

Last Days of the Space Age
Tony Bissett · (8 episodes)
2024

Queer Fish in God's Waiting Room
Liam
2021

Chicago Med
Matthew Casey · (4 episodes)
2015

The Girl Is in Trouble
Nicholas
2015

Chicago P.D.
Matthew Casey · (7 episodes)
2014

Chicago Fire
Matthew 'Matt' Casey · (204 episodes)
2012

Tell-Tale
Lover
2010

Phineas and Ferb
Liam McCracken (voice) · (1 episode)
2007

The Script
Ben
2006

Flourish
Eddie Gator
2006

House
Robert Chase · (176 episodes)
2004

Action Man: Robot ATAK
Flynt (voice)
2004

Death in Holy Orders
Raphael Arbuthnot · (2 episodes)
2003

Uptown Girls
Neal
2003

Swimming Upstream
Tony Fingleton
2003

Stranded
Fritz Robinson · (2 episodes)
2002

American Idol
Self · (2 episodes)
2002

Stranded
Fritz Robinson
2002

Last Call with Carson Daly
Self · (1 episode)
2002

Winning London
Lord James Browning Jr.
2001

Lorna Doone
Marwood de Whichehalse
2001

Curse of the Talisman
Jeremy Campbell
2001

Lorna Doone
Marwood de Whichehalse · (2 episodes)
2000

Hercules
Triton Jr. (voice) · (1 episode)
1998

Live & Kicking
Self · (3 episodes)
1993

Blue Heelers
Lee Cruickshank · (1 episode)
1993

Time Trax
Young Bill · (1 episode)
1993

Billboard Music Awards
Self - Presenter · (1 episode)
1989

This Morning
Self · (1 episode)
1988

Neighbours
Billy Kennedy · (1157 episodes)
1985

People's Choice Awards
Self · (1 episode)
1975

Today
Self - Guest · (1 episode)
1952

The Emmy Awards
Self · (1 episode)
1949

Golden Globe Awards
Self - Presenter · (1 episode)
1944