Tommy Merlyn was Oliver Queen's best friend. His father was Malcolm Merlyn. Later he became the girlfriend of Laurel Lance. He was killed during the Undertaking in Starling City.
Appearances
Arrow
Main cast, played by Colin Donnell
- Episode 1x01: Pilot (Oct 10, 2012)
- Episode 1x02: Honor Thy Father (Oct 17, 2012)
- Episode 1x03: Lone Gunmen (Oct 24, 2012)
- Episode 1x05: Damaged (Nov 7, 2012)
- Episode 1x06: Legacies (Nov 14, 2012)
- Episode 1x07: Muse of Fire (Nov 28, 2012)
- Episode 1x08: Vendetta (Dec 5, 2012)
- Episode 1x09: Year's End (Dec 12, 2012)
- Episode 1x10: Burned (Jan 16, 2013)
- Episode 1x11: Trust but Verify (Jan 23, 2013)
- Episode 1x12: Vertigo (Jan 30, 2013)
- Episode 1x13: Betrayal (Feb 6, 2013)
- Episode 1x16: Dead to Rights (Feb 27, 2013)
- Episode 1x17: The Huntress Returns (Mar 20, 2013)
- Episode 1x18: Salvation (Mar 27, 2013)
- Episode 1x19: Unfinished Business (Apr 3, 2013)
- Episode 1x20: Home Invasion (Apr 24, 2013)
- Episode 1x21: The Undertaking (May 1, 2013)
- Episode 1x22: Darkness on the Edge of Town (May 8, 2013)
- Episode 1x23: Sacrifice (May 15, 2013)
Guest cast, played by Colin Donnell
- Episode 2x09: Three Ghosts (Dec 11, 2013)
- Episode 3x02: Sara (Oct 15, 2014)
- Episode 3x14: The Return (Feb 18, 2015)
- Episode 5x08: Invasion! (Nov 30, 2016)
- Episode 6x21: Docket No. 11-19-41-73 (May 3, 2018)
- Episode 7x21: Living Proof (May 6, 2019)
- Episode 8x10: Fadeout (Jan 28, 2020)