Duncan Locke is a fictional character portrayed by Aaron Ashmore in the TV series Locke & Key.
In the first episode they appeared in, titled Welcome to Matheson (season 1), they were 40 years old.
They appear in 19 episodes out of a total of 28 aired and have accumulated 8265 positive votes.
The character of Duncan Locke is mainly associated with Kinsey Locke, Tyler Locke and Nina Locke.
Episodes19
Welcome to Matheson
episode S1.E1 february 2020After the Lockes move into Key House, Bode makes a new acquaintance - and a startling discovery. Tyler and Kinsey try to start over at a new high school.
Trapper / Keeper
episode S1.E2 february 2020While Nina uncovers details about Rendell's past, Kinsey helps out the Savini Squad. Meanwhile, Tyler falls in with a bad crowd, and Bode finds another key.
Family Tree
episode S1.E5 february 2020Kinsey uses a key to seek vengeance on a school bully. A troubled Nina finds a sympathetic ear. A long-buried memory casts Rendell in a new light.
The Black Door
episode S1.E6 february 2020Kinsey explores the sea cave with the Savini Squad in tow. Meanwhile, Nina confronts Ellie over Joe, and Tyler sabotages his relationship with Jackie.
Crown of Shadows
episode S1.E10 february 2020The battle over the Omega Key leads to decisions that can't be undone - and a dangerous door that promises plenty of trouble ahead.
The Premiere
episode S2.E1 october 2021Gabe forges an unholy alliance with Eden. Kinsey prepares for the premiere of the Savini Squad's horror film. Duncan arrives at Keyhouse with big news.
The Head and the Heart
episode S2.E2 october 2021Tyler grows concerned over Jackie's memory loss, Gabe probes the Lockes for information about the keys, and Nina meets a mansplainer at her new job.
Small World
episode S2.E3 october 2021Amid Duncan's unease over a new houseguest, Gabe tries to drive a wedge between Kinsey and Scot, Bode finds an unusual key, and Nina bonds with Josh.
Forget Me Not
episode S2.E4 october 2021With Duncan's emotional state deteriorating, Gabe confronts one of the Lockes, Tyler surprises Jackie on her birthday, and Kinsey faces up to her fears.
Past is Prologue
episode S2.E5 october 2021Gabe insinuates himself into Tyler's search for the Memory Key as Kinsey resolves to find out what's going on with Eden. Bode visits an old friend.
The Maze
episode S2.E6 october 2021At the annual Winterfest celebration, Kinsey tries to play it cool around Gabe while a key found by Bode and Duncan may offer a way to take down Dodge.
Best Laid Plans
episode S2.E7 october 2021Kinsey puts her acting skills to the test when the Lockes and their friends set a magical trap at Keyhouse. Josh fumes over his missing artifact.
Irons in the Fire
episode S2.E8 october 2021As the origins of the Locke family magic come to light, Tyler and Kinsey look to protect their loved ones from Gabe's expanding collection of pawns.
Alpha & Omega
episode S2.E9 october 2021While Tyler works on a way to help Jackie, Gabe gives Kinsey a deadline to meet his demands, Eden manipulates Josh, and a shaken Nina reaches out.
Cliffhanger
episode S2.E10 october 2021Escalating threats and a devastating loss lead the Lockes into a ferocious showdown with Dodge. Back at Keyhouse, Bode confronts a shocking visitor.
Wedding Crashers
episode S3.E2 august 2022Duncan's wedding day brings a welcome surprise - and provides the perfect opportunity for uninvited guests to search the house. Bode discovers a new key.
Five Minutes Past
episode S3.E3 august 2022Bode looks for the key that will let him see his dad, Nina confronts bad memories, and Kinsey gathers with the Savinis for an emotional send-off.
Siege
episode S3.E5 august 2022Suspicions about Bode's behavior come to a head after an unsettling discovery, while Gideon's patience runs out in his plot to possess the keys.
Farewell
episode S3.E8 august 2022With Gideon hell-bent on acquiring the Creation Key, the Lockes race to stop him, leading to a vicious clash - and a decision that changes everything.
- Welcome to Matheson
- Trapper / Keeper
- Family Tree
- The Black Door
- Crown of Shadows
- The Premiere
- The Head and the Heart
- Small World
- Forget Me Not
- Past is Prologue
- The Maze
- Best Laid Plans
- Irons in the Fire
- Alpha & Omega
- Cliffhanger
- Wedding Crashers
- Five Minutes Past
- Siege
- Farewell
Best moments10
- At the annual Winterfest celebration, Kinsey tries to play it cool around Gabe while a key found by Bode and Duncan may offer a way to take down Dodge.
- With Duncan's emotional state deteriorating, Gabe confronts one of the Lockes, Tyler surprises Jackie on her birthday, and Kinsey faces up to her fears.
- Kinsey puts her acting skills to the test when the Lockes and their friends set a magical trap at Keyhouse. Josh fumes over his missing artifact.
- Amid Duncan's unease over a new houseguest, Gabe tries to drive a wedge between Kinsey and Scot, Bode finds an unusual key, and Nina bonds with Josh.
- Gabe insinuates himself into Tyler's search for the Memory Key as Kinsey resolves to find out what's going on with Eden. Bode visits an old friend.
- Duncan's wedding day brings a welcome surprise - and provides the perfect opportunity for uninvited guests to search the house. Bode discovers a new key.
- As the origins of the Locke family magic come to light, Tyler and Kinsey look to protect their loved ones from Gabe's expanding collection of pawns.
- Suspicions about Bode's behavior come to a head after an unsettling discovery, while Gideon's patience runs out in his plot to possess the keys.
- Bode looks for the key that will let him see his dad, Nina confronts bad memories, and Kinsey gathers with the Savinis for an emotional send-off.
- Escalating threats and a devastating loss lead the Lockes into a ferocious showdown with Dodge. Back at Keyhouse, Bode confronts a shocking visitor.
- The Maze
- Forget Me Not
- Best Laid Plans
- Small World
- Past is Prologue
- Wedding Crashers
- Irons in the Fire
- Siege
- Five Minutes Past
- Cliffhanger