Gethin Alderman
 
 
 
 
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Actor & Creature Performer

A Welsh actor, creature performer and movement specialist based in London.

As an actor, I trained at the Royal Central School of Speech and Drama.

Multilingual from a young age, I speak Welsh, French, Spanish and English.

My screen work has been seen on the BBC, ITV, Channel 4, 5, Sky, Amazon Prime and at the cinema. I have two projects for release in 2025 - keep your eyes peeled.

On stage, I have performed all over the UK and Internationally. I was nominated for an OffWest End Award for Starcrossed, a parallel story to Romeo and Juliet in which I played every role besides Tybalt and Mercutio (but including Juliet). Check out some reviews below!

In a previous life, I was also a comedian and Sublime, my debut comedy hour, was performed at the Brighton and Edinburgh Fringes in 2019. BBC Wales filmed it for their programme Wales at the Edinburgh Festival.

 

Acting

Recent Credits:

 

Film/TV

Einstein and the Bomb, Netflix/BBC Studios, dir. Anthony Philipson

The Boys in the Boat, MGM/Tempesta Films, dir. George Clooney

The Winter King, MGM+/ITVX/Bad Wolf, dir. Anu Menon

Wolf, BBC One/APC Studios/Hartswood FIlms, dir. Lee Haven Jones

Andor, Lucasfilm/Disney+, dir. Benjamin Caron

Somewhere Boy, Clerkenwell Films/Channel 4, dir. Alex Winckler/Alexandra Brodski

The Great (S2 & 3), Thruline/Hulu, dir. Colin Bucksey/Matt Moore/Ally Pankiw

The Outlaws, BBC/Big Talk/Amazon, dir. Stephen Merchant

Casualty, BBC Studios, dir. John Maidens

Doctors, BBC Studios, dir. Enda Hughes

Theatre

Romeo & Juliet, Shakespeare’s Globe, dir. Lucy Cuthbertson

Starcrossed, Wilton’s Music Hall, dir. Philip Wilson

Henry V, Donmar Warehouse, dir. Max Webster

Mold Riots, Theatr Clwyd, dir. Katie Posner

Seagulls, Volcano Theatre Company, dir. Paul Davies

Incident at Vichy, Finborough Theatre, dir. Phil Willmott

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Press

“astonishingly versatile…a joyous gift for physical comedy, Alderman is an athletic, shape-shifting delight” - ★★★★★ WhatsOnStage

[Gethin Alderman’s] virtuosic and often amusing versatility binds the show together.” - ★★★★ The Times

Gethin Alderman plays all the other characters quite deliciously” - David Benedict, The Stage

“manages to make the scene changes both slick and silly, with little more than a few perfectly timed winks, groans and grins” - ★★★★ The Guardian

“A spellbinding performance” - ★★★★★ Broadway Baby

“A miraculous performer” - ★★★★ Attitude

“A powerfully muscular presence” - ★★★★ Buzz Magazine

“Boundlessly energetic presence” - ★★★★ WalesOnline

“ridiculously brilliant…his transformations are astounding” - ★★★★ Broadway World

“[I]t is Gethin Alderman that stands out as Bagsy…Alderman’s Bagsy is a heart-wrenching character who teeters on a sheer precipice as he tries to soothe his mental and emotional hurt” - Sitting on the Fourth Wall

 “genuinely impressive…an unpredictable and irreverent hour of controlled chaos.” - ★★★★ The List

“a warm-hearted and mischievous performer” - ThreeWeeks

 
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Contact

For all acting and performance enquiries contact my agent below:

Represented By: Adam @ Narrow Road

1st Floor,
37 Great Queen Street,
Covent Garden,
London WC2B 5AA

+44 (0) 207 831 4450

agents@narrowroad.co.uk

For Movement Direction and Coaching enquiries fill in the form on the right:

Headshot Photography by Ruth Crafer