We don't have a biography for Prof. Leo Dalton yet. Hang in there, or go ahead and contribute one.
Appearances
Silent Witness
Main cast, played by William Gaminara
- Episode 6x01: The Fall Out, Part One (Oct 28, 2002)
- Episode 6x02: The Fall Out, Part Two (Oct 29, 2002)
- Episode 6x03: Kith and Kill, Part One (Nov 5, 2002)
- Episode 6x04: Kith and Kill, Part Two (Nov 6, 2002)
- Episode 6x05: Tell No Tales, Part One (Nov 19, 2002)
- Episode 6x06: Tell No Tales, Part Two (Nov 20, 2002)
- Episode 6x07: Closed Ranks, Part One (Nov 26, 2002)
- Episode 6x08: Closed Ranks, Part Two (Nov 27, 2002)
- Episode 7x01: Answering Fire, Part One (Oct 11, 2003)
- Episode 7x02: Answering Fire, Part Two (Oct 12, 2003)
- Episode 7x03: Fatal Error, Part One (Oct 18, 2003)
- Episode 7x04: Fatal Error, Part Two (Oct 19, 2003)
- Episode 7x05: Running on Empty, Part One (Oct 25, 2003)
- Episode 7x06: Running on Empty, Part Two (Oct 26, 2003)
- Episode 7x07: Beyond Guilt, Part One (Nov 1, 2003)
- Episode 7x08: Beyond Guilt, Part Two (Nov 2, 2003)
- Episode 8x01: A Time to Heal, Part One (Sep 5, 2004)
- Episode 8x02: A Time to Heal, Part Two (Sep 6, 2004)
- Episode 8x03: Death by Water, Part One (Sep 12, 2004)
- Episode 8x04: Death by Water, Part Two (Sep 13, 2004)
- Episode 8x05: Nowhere Fast, Part One (Sep 19, 2004)
- Episode 8x06: Nowhere Fast, Part Two (Sep 20, 2004)
- Episode 8x07: Body 21, Part One (Sep 25, 2004)
- Episode 8x08: Body 21, Part Two (Sep 27, 2004)
- Episode 9x01: Ghosts, Part One (Jul 25, 2005)
- Episode 9x02: Ghosts, Part Two (Jul 26, 2005)
- Episode 9x03: Choices, Part One (Aug 1, 2005)
- Episode 9x04: Choices, Part Two (Aug 2, 2005)
- Episode 9x05: The Meaning of Death, Part One (Aug 8, 2005)
- Episode 9x06: The Meaning of Death, Part Two (Aug 10, 2005)
- Episode 9x07: Mind and Body, Part One (Aug 15, 2005)
- Episode 9x08: Mind and Body, Part Two (Aug 16, 2005)
- Episode 10x01: Cargo, Part One (Jul 16, 2006)
- Episode 10x02: Cargo, Part Two (Jul 17, 2006)
- Episode 10x03: Terminus, Part One (Jul 23, 2006)
- Episode 10x04: Terminus, Part Two (Jul 24, 2006)
- Episode 10x05: Body of Work, Part One (Jul 30, 2006)
- Episode 10x06: Body of Work, Part Two (Jul 31, 2006)
- Episode 10x07: Supernova, Part One (Aug 6, 2006)
- Episode 10x08: Supernova, Part Two (Aug 7, 2006)
- Episode 10x09: Schism, Part One (Aug 13, 2006)
- Episode 10x10: Schism, Part Two (Aug 14, 2006)
- Episode 11x01: Apocalypse, Part One (Aug 28, 2007)
- Episode 11x02: Apocalypse, Part Two (Aug 29, 2007)
- Episode 11x03: Suffer the Children, Part One (Sep 3, 2007)
- Episode 11x04: Suffer the Children, Part Two (Sep 4, 2007)
- Episode 11x05: Hippocratic Oath, Part One (Sep 10, 2007)
- Episode 11x06: Hippocratic Oath, Part Two (Sep 11, 2007)
- Episode 11x07: Double Dare, Part One (Sep 17, 2007)
- Episode 11x08: Double Dare, Part Two (Sep 18, 2007)
- Episode 11x09: Peripheral Vision, Part One (Sep 24, 2007)
- Episode 11x10: Peripheral Vision, Part Two (Sep 25, 2007)
- Episode 12x01: Safe, Part One (Oct 1, 2008)
- Episode 12x02: Safe, Part Two (Oct 2, 2008)
- Episode 12x03: Death's Door, Part One (Oct 8, 2008)
- Episode 12x04: Death's Door, Part Two (Oct 9, 2008)
- Episode 12x05: Terror, Part One (Oct 15, 2008)
- Episode 12x06: Terror, Part Two (Oct 16, 2008)
- Episode 12x07: Judgement, Part One (Oct 22, 2008)
- Episode 12x08: Judgement, Part Two (Oct 23, 2008)
- Episode 12x09: The Lost Child, Part One (Oct 29, 2008)
- Episode 12x10: The Lost Child, Part Two (Oct 30, 2008)
- Episode 12x11: Finding Rachel, Part One (Nov 5, 2008)
- Episode 12x12: Finding Rachel, Part Two (Nov 6, 2008)
- Episode 13x01: Intent, Part One (Jan 7, 2010)
- Episode 13x02: Intent, Part Two (Jan 8, 2010)
- Episode 13x03: Voids, Part One (Jan 14, 2010)
- Episode 13x04: Voids, Part Two (Jan 15, 2010)
- Episode 13x05: Run, Part One (Jan 21, 2010)
- Episode 13x06: Run, Part Two (Jan 22, 2010)
- Episode 13x07: Shadows, Part One (Jan 28, 2010)
- Episode 13x08: Shadows, Part Two (Jan 29, 2010)
- Episode 13x09: Home, Part One (Feb 4, 2010)
- Episode 13x10: Home, Part Two (Feb 5, 2010)
- Episode 14x01: A Guilty Mind, Part One (Jan 3, 2011)
- Episode 14x02: A Guilty Mind, Part Two (Jan 4, 2011)
- Episode 14x03: Lost, Part One (Jan 10, 2011)
- Episode 14x04: Lost, Part Two (Jan 11, 2011)
- Episode 14x05: First Casualty, Part One (Jan 17, 2011)
- Episode 14x06: First Casualty, Part Two (Jan 18, 2011)
- Episode 14x07: Bloodlines, Part One (Jan 24, 2011)
- Episode 14x08: Bloodlines, Part Two (Jan 25, 2011)
- Episode 14x09: The Prodigal, Part One (Jan 31, 2011)
- Episode 14x10: The Prodigal, Part Two (Feb 1, 2011)
- Episode 15x01: Death Has No Dominion, Part One (Apr 1, 2012)
- Episode 15x02: Death Has No Dominion, Part Two (Apr 2, 2012)
- Episode 15x03: Domestic, Part One (Apr 8, 2012)
- Episode 15x04: Domestic, Part Two (Apr 9, 2012)
- Episode 15x05: Paradise Lost, Part One (Apr 15, 2012)
- Episode 15x06: Paradise Lost, Part Two (Apr 16, 2012)
- Episode 15x07: Redhill, Part One (Apr 22, 2012)
- Episode 15x08: Redhill, Part Two (Apr 23, 2012)
- Episode 15x09: Fear, Part One (Apr 29, 2012)
- Episode 15x10: Fear, Part Two (Apr 30, 2012)
- Episode 15x11: And Then I Fell in Love, Part One (Aug 19, 2012)
- Episode 15x12: And Then I Fell in Love, Part Two (Aug 20, 2012)
- Episode 16x01: Change, Part One (Jan 10, 2013)
- Episode 16x02: Change, Part Two (Jan 11, 2013)
- Episode 16x03: Trust, Part One (Jan 17, 2013)
- Episode 16x04: Trust, Part Two (Jan 18, 2013)
- Episode 16x05: True Love Waits, Part One (Jan 24, 2013)
- Episode 16x06: True Love Waits, Part Two (Jan 25, 2013)
- Episode 16x07: Legacy, Part One (Jan 31, 2013)
- Episode 16x08: Legacy, Part Two (Feb 1, 2013)
- Episode 16x09: Greater Love, Part One (Feb 7, 2013)
- Episode 16x10: Greater Love, Part Two (Feb 8, 2013)