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John MacMillan

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BIO

John Macmillan, sometimes credited as MacMillan, is a British actor and writer, best known for his role as Julian in the Mitchell and Webb sitcom Back. He portrays Ser Laenor Velaryon in House of the Dragon.

STAGE CREDITS

[West End]
London Tenth Anniversary Celebration, 2018
Performer

[West End]
West End Revival Production, 2015

[Broadway]
Broadway Transfer, 2009
Rosencrantz

Horatio (Understudy)

Movies

Heartless
[ 2009 ] She
Hanna
[ 2011 ] Lewis
The Dark Knight Rises
[ 2012 ] Analyst #2
Maleficent
[ 2014 ] Captain
Fury
[ 2014 ] Corporal John MacMillan
Carnage
[ 2017 ] Troye King Jones
Ron's Gone Wrong
[ 2021 ] Bubble Techs
The Dig
[ 2021 ] Dr Rothman
The People We Hate at the Wedding
[ 2022 ] Ollie
Up the Catalogue
[ 2024 ] Daniel Fortescue
Jay Kelly
[ 2025 ] Alan
The Woman in Cabin 10
[ 2025 ] Captain Addis

TV Shows

Back
Julian
Chewing Gum
Ronald
Silk
John Bright, John
Seize Them!
King Guthrum
One Day
Aaron
Extraordinary
Dr. Wenderburn
Surface
[ 2022-2025 ] Richard
7 Bears
[ 2025-2025 ] Prince Charming (voice)

Videos

News


Video: THE LADY FROM THE SEA Trailer at the Bridge Theatre
by Stephi Wild - Oct 13, 2025

London Theatre Company has released a trailer for The Lady from the Sea, written and directed by Simon Stone after Henrik Ibsen. The production, which is in collaboration with Wouter van Ransbeek, is now playing at the Bridge Theatre.
Review: THE LADY FROM THE SEA, starring Alicia Vikander and Andrew Lincoln
by Cindy Marcolina - Sep 18, 2025

With a cast as starry as the Ibsen’s Norwegian skies, The Lady from the Sea is adapted into a thrilling, biting comic drama by Simon Stone. It features the theatrical return of Andrew Lincoln alongside the stage debuts of Academy Award winner Alicia Vikander, Brutalist actor Joe Alwyn, and rising star Isobel Akuwudike. This is not the play for you if you’re looking for steady auroras and sad prose. Ibsen (Stone’s version) is surprisingly funny, but not thoroughly convincing.
Photos/Video: Keira Knightley Stars in First-Look at THE WOMAN IN CABIN 10
by Josh Sharpe - Aug 26, 2025

Netflix has dropped the trailer and new first-look photos for The Woman in Cabin 10, the new psychological thriller starring Keira Knightley. Check it out now!
Eric Liddell Community Reveals Lineup of Edinburgh Fringe Shows
by Stephi Wild - Jul 30, 2025

With August and The Edinburgh Fringe Festival right around the corner, local charity, The Eric Liddell Community has announced its lineup of shows and events taking place in its Bruntsfield-based hub. 
Further Cast Revealed For THE LADY FROM THE SEA at The Bridge
by Stephi Wild - Jul 2, 2025

London Theatre Company has announced further casting for The Lady from the Sea written and directed by Simon Stone after Henrik Ibsen, opening at The Bridge in September.
Eric Liddell Charity Will Inspire New Generations With World-first Exhibition
by Stephi Wild - Jul 2, 2024

An inspiring exhibition commemorating the legendary athlete Eric Liddell will be unveiled at the Scottish Parliament this summer, marking the centenary of Liddell's iconic Olympic gold medal victory in Paris in 1924.
Photos: Inside Rehearsal For PHAEDRA at the National Theatre
by Stephi Wild - Jan 17, 2023

Rehearsal images for Phaedra are released today, as writer-director Simon Stone (Yerma, Young Vic) makes his National Theatre debut reimagining Seneca’s famous tragedy in this striking new play.
Photos: Ben Platt, Kristen Bell & More on THE PEOPLE WE HATE AT THE WEDDING Red Carpet
by Michael Major - Nov 17, 2022

The film follows struggling American siblings Alice (Bell) and Paul (Platt), who reluctantly agree to attend the wedding of their estranged, wealthy half-sister (Cynthia Addai-Robinson) in the English countryside alondside their mother, Donna (Allison Janney). Check out photos from the red carpet premiere now!
VIDEO: Ben Platt & Kristen Bell Star in THE PEOPLE WE HATE AT THE WEDDING Trailer
by Michael Major - Oct 19, 2022

The film follows struggling American siblings Alice (Kristen Bell) and Paul (Ben Platt), who reluctantly agree to attend the wedding of their estranged, wealthy half-sister (Cynthia Addai-Robinson) in the English countryside alondside their mother, Donna (Allison Janney). Watch the new video trailer now!
Wake Up With BWW 8/30: THE LAST MATCH Music Video, Daniel Radcliffe in WEIRD AL Film Trailer, and More!
by - Aug 30, 2022

Top stories include a first look at a new music video from the musical The Last Match: A Pro Wrestling Rock Musical starring Ramin Karimloo and Amber Ardolino. Plus, see Daniel Radcliffe as 'Weird Al' Yankovic in the official trailer for Weird: The Al Yankovic Story, and more!
Ben Platt & Kristen Bell-Led THE PEOPLE WE HATE AT THE WEDDING to be Released on Prime Video in November
by Chloe Rabinowitz - Aug 29, 2022

The People We Hate at the Wedding, starring Allison Janney, Kristen Bell, Ben Platt, Cynthia Addai-Robinson, Karan Soni, Dustin Milligan, Tony Goldwyn, Isaach De Bankolé, Jorma Taccone, Julian Ovenden, and John Macmillan will be released on Prime Video on November 18, 2022. 
HBO Renews HOUSE OF THE DRAGON For A Second Season
by Michael Major - Aug 26, 2022

HOUSE OF THE DRAGON debuted Sunday, August 21, to the largest audience for any new original series in HBO history. The first episode has now been seen by over 20 million viewers across linear, On Demand and HBO Max platforms in the U.S., based on a combination of Nielsen data and first party data.
New Music From HOUSE OF THE DRAGON Out Today
by Michael Major - Aug 19, 2022

The reign of House Targaryen begins. House of the Dragon, the prequel to Game of Thrones, is coming to HBO and HBO Max on August 21. Based on George R.R. Martin’s “Fire & Blood,” the series, which is set 200 years before the events of Game of Thrones, tells the story of House Targaryen.
VIDEO: HBO Releases HOUSE OF THE DRAGON 'Fire Will Reign' Promo
by Michael Major - Aug 18, 2022

The cast includes Paddy Considine, Matt Smith, Olivia Cooke, Emma D’Arcy, Steve Toussaint, Eve Best, Fabien Frankel, Sonoya Mizuno, and Rhys Ifans. Additional cast includes Milly Alcock, Bethany Antonia, Phoebe Campbell, Emily Carey, Harry Collett, Ryan Corr, Tom Glynn-Carney, Jefferson Hall, and more. Watch the new promotional video now!
HBO Max Begins Global Rollout of HOUSE OF DRAGON Augmented Reality App
by Michael Major - Jul 25, 2022

With the app, fans around the world will be able to “hatch” and raise their own virtual dragons at home. Each dragon will be unique to its user, and as it grows it will develop its own  look and temperament driven by its keeper’s interactions with it, all based on the lore from George R.R. Martin’s world. Watch a preview of the app now!
VIDEO: HBO Releases HOUSE OF THE DRAGON Trailer
by Michael Major - Jul 20, 2022

Based on George R.R. Martin’s “Fire & Blood,” the series, set 200 years before the events of “Game of Thrones,” tells the story of House Targaryen. The series stars Paddy Considine, Matt Smith, Olivia Cooke, Emma D’Arcy, Steve Toussaint, Eve Best, Fabien Frankel, Sonoya Mizuno, and Rhys Ifans. Watch the new trailer now!
Photo: HBO Releases HOUSE OF THE DRAGON Official Key Art
by Michael Major - Jun 22, 2022

Based on George R.R. Martin’s “Fire & Blood,” the series, set 200 years before the events of “Game of Thrones,” tells the story of House Targaryen. The series stars Paddy Considine, Matt Smith, Olivia Cooke, Emma D’Arcy, Steve Toussaint, Eve Best, Fabien Frankel, Sonoya Mizuno, and Rhys Ifans.
VIDEO: HBO Releases HOUSE OF THE DRAGON Teaser Trailer
by Michael Major - May 5, 2022

Based on George R.R. Martin’s “Fire & Blood,” the series, set 200 years before the events of “Game of Thrones,” tells the story of House Targaryen. The series stars Paddy Considine, Matt Smith, Olivia Cooke, Emma D’Arcy, Steve Toussaint, Eve Best, Fabien Frankel, Sonoya Mizuno, and Rhys Ifans.
HBO Announces GAME OF THRONES Prequel Series HOUSE OF THE DRAGON Premiere Date
by Michael Major - Mar 30, 2022

Based on George R.R. Martin’s “Fire & Blood,” the series, set 200 years before the events of “Game of Thrones,” tells the story of House Targaryen. The cast includes Paddy Considine, Matt Smith, Olivia Cooke, Emma D’Arcy, Steve Toussaint, Eve Best, Fabien Frankel, Sonoya Mizuno, and Rhys Ifans.
VIDEO: HBO Releases First Official Teaser For GAME OF THRONES Prequel HOUSE OF THE DRAGON
by Michael Major - Oct 5, 2021

The teaser featured the first official footage from the highly anticipated series, which contained several previously announced cast members in addition to the following newly revealed cast: Wil Johnson as Ser Vaemond Velaryon, John Macmillan as Ser Laenor Velaryon, Savannah Steyn as Lady Laena Velayron, and Theo Nate as Ser Laenor Velaryon. 

FREQUENTLY ASKED QUESTIONS

How many Broadway shows has John MacMillan been in?

John MacMillan has appeared on Broadway in 1 shows.

How many West End shows has John MacMillan been in?

John MacMillan has appeared on London's West End in 2 shows.

What was John MacMillan's first West End show?

John MacMillan's first West End show was The Homecoming which opened in 2015

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