Jack Davenport's latest work on television is listed first. We'll try to complete the list and add more information in the future, but for the time being, we'll focus on his current projects.
Breathless (2013)
Otto Powell

Smash (2012/2013)
Derek Wills

Flash Forward (2009/2010)
Lloyd Simcoe

Hungry Hamsters (nobody knows what happened to this)

Swingtown (2008)
Bruce Miller

This Life + 10 (2007)
Miles Stewart

Mary Bryant (2005) mini-series

Lt. Ralph Clarke

Agatha Christie's Marple: The Body in the Library (2004)
Superintendent Harper

Coupling (2000 - 2004)
Steve Taylor

Eroica (2003)
Prince Lobkowitz

Dickens (2002)
Charley Dickens

The Real Jane Austen (2002)
Henry Austen

Asylum (2001)

The Wyvern Mystery (2000)
Harry Fairfield

Ultraviolet (1998)
Detective Sergeant Michael Colefield

Macbeth (1998)

This Life (1996-1997)
Miles Stewart

The Moth (1997)
Robert Bradley