We don't have a biography for Dr. Nikki Alexander yet. Hang in there, or go ahead and contribute one.
Appearances
Silent Witness
Main cast, played by Emilia Fox
- 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)
- Episode 17x01: Commodity, Part One (Jan 2, 2014)
- Episode 17x02: Commodity, Part Two (Jan 3, 2014)
- Episode 17x03: Coup de Grace, Part One (Jan 9, 2014)
- Episode 17x04: Coup de Grace, Part Two (Jan 10, 2014)
- Episode 17x05: In a Lonely Place, Part One (Jan 16, 2014)
- Episode 17x06: In a Lonely Place, Part Two (Jan 17, 2014)
- Episode 17x07: Undertone, Part One (Jan 23, 2014)
- Episode 17x08: Undertone, Part Two (Jan 24, 2014)
- Episode 17x09: Fraternity, Part One (Jan 30, 2014)
- Episode 17x10: Fraternity, Part Two (Jan 31, 2014)
- Episode 18x01: Sniper's Nest, Part One (Jan 6, 2015)
- Episode 18x02: Sniper's Nest, Part Two (Jan 7, 2015)
- Episode 18x03: Falling Angels, Part One (Jan 12, 2015)
- Episode 18x04: Falling Angels, Part Two (Jan 13, 2015)
- Episode 18x05: Protection, Part One (Jan 19, 2015)
- Episode 18x06: Protection, Part Two (Jan 20, 2015)
- Episode 18x07: Squaring the Circle, Part One (Jan 26, 2015)
- Episode 18x08: Squaring the Circle, Part Two (Jan 27, 2015)
- Episode 18x09: One of Our Own, Part One (Feb 2, 2015)
- Episode 18x10: One of Our Own, Part Two (Feb 3, 2015)
- Episode 19x01: After the Fall, Part One (Jan 4, 2016)
- Episode 19x02: After the Fall, Part Two (Jan 5, 2016)
- Episode 19x03: Flight, Part One (Jan 11, 2016)
- Episode 19x04: Flight, Part Two (Jan 12, 2016)
- Episode 19x05: Life Licence, Part One (Jan 18, 2016)
- Episode 19x06: Life Licence, Part Two (Jan 19, 2016)
- Episode 19x07: In Plain Sight, Part One (Jan 25, 2016)
- Episode 19x08: In Plain Sight, Part Two (Jan 26, 2016)
- Episode 19x09: River's Edge, Part One (Feb 1, 2016)
- Episode 19x10: River's Edge, Part Two (Feb 2, 2016)
- Episode 20x01: Identity, Part One (Jan 2, 2017)
- Episode 20x02: Identity, Part Two (Jan 3, 2017)
- Episode 20x03: Discovery, Part One (Jan 9, 2017)
- Episode 20x04: Discovery, Part Two (Jan 10, 2017)
- Episode 20x07: Covenant, Part One (Jan 23, 2017)
- Episode 20x08: Covenant, Part Two (Jan 24, 2017)
- Episode 20x09: Awakenings, Part One (Jan 30, 2017)
- Episode 20x10: Awakenings, Part Two (Jan 31, 2017)
- Episode 22x10: Betrayal, Part Two (Feb 5, 2019)
- Episode 23x01: Deadhead, Part One (Jan 7, 2020)
- Episode 23x02: Deadhead, Part Two (Jan 8, 2020)
- Episode 23x03: Close to Home, Part One (Jan 13, 2020)
- Episode 23x04: Close to Home, Part Two (Jan 15, 2020)
- Episode 23x05: Seven Times, Part One (Jan 20, 2020)
- Episode 23x06: Seven Times, Part Two (Jan 21, 2020)
- Episode 23x07: Hope, Part One (Jan 27, 2020)
- Episode 23x08: Hope, Part Two (Jan 28, 2020)
- Episode 23x09: The Greater Good, Part One (Feb 3, 2020)
- Episode 23x10: The Greater Good, Part Two (Feb 5, 2020)
- Episode 24x01: Redemption, Part One (Sep 6, 2021)
- Episode 24x02: Redemption, Part Two (Sep 7, 2021)
- Episode 24x03: Bad Love, Part One (Sep 13, 2021)
- Episode 24x04: Bad Love, Part Two (Sep 14, 2021)
- Episode 24x05: Reputations, Part One (Sep 20, 2021)
- Episode 24x06: Reputations, Part Two (Sep 21, 2021)
- Episode 24x07: Brother's Keeper, Part One (Sep 27, 2021)
- Episode 24x08: Brother's Keeper, Part Two (Sep 28, 2021)
- Episode 24x09: Matters of Life and Death, Part One (Oct 4, 2021)
- Episode 24x10: Matters of Life and Death, Part Two (Oct 5, 2021)
- Episode 25x01: History, Part One (May 23, 2022)
- Episode 25x02: History, Part Two (May 24, 2022)
- Episode 25x03: History, Part Three (May 30, 2022)
- Episode 25x04: History, Part Four (May 31, 2022)
- Episode 25x05: History, Part Five (Jun 6, 2022)
- Episode 25x06: History, Part Six (Jun 7, 2022)
- Episode 26x01: The Penitent, Part One (Jan 2, 2023)
- Episode 26x02: The Penitent, Part Two (Jan 2, 2023)
- Episode 26x03: Familiar Faces, Part One (Jan 9, 2023)
- Episode 26x04: Familiar Faces, Part Two (Jan 9, 2023)
- Episode 26x05: Star, Part One (Jan 16, 2023)
- Episode 26x06: Star, Part Two (Jan 16, 2023)
- Episode 26x07: Hearts of Darkness, Part One (Jan 23, 2023)
- Episode 26x08: Hearts of Darkness, Part Two (Jan 24, 2023)
- Episode 26x09: Southbay, Part One (Jan 30, 2023)
- Episode 26x10: Southbay, Part Two (Jan 31, 2023)
- Episode 27x01: Effective Range, Part One (Jan 8, 2024)
- Episode 27x02: Effective Range, Part Two (Jan 8, 2024)
- Episode 27x03: Grievance Culture, Part One (Jan 15, 2024)
- Episode 27x04: Grievance Culture, Part Two (Jan 15, 2024)
- Episode 27x05: Invisible, Part One (Jan 29, 2024)
- Episode 27x06: Invisible, Part Two (Jan 29, 2024)
- Episode 27x07: Death by a Thousand Hits, Part One (Feb 5, 2024)
- Episode 27x08: Death by a Thousand Hits, Part Two (Feb 5, 2024)
- Episode 27x09: Kings Cross, Part One (Feb 12, 2024)
- Episode 27x10: Kings Cross, Part Two (Feb 12, 2024)