Siobhan trained at Guildhall School of Music and Drama.
Her theatre work includes All my Sons (Watermill Theatre), Of Mice and Men (Watermill Theatre), Flare Path (UK Tour), Baoite (An Taibhdhearc / The Abbey Theatre), Private Ear/Public Eye (UK Tour), Twelfth Night (UK Tour), See How They Run (UK Tour), Medea/Jason and the Argonauts (Scoop Theatre), Sweet Meat (Union Theatre), After The End (BAC) and Dancing at Lughnasa (UK Tour)
Television work includes Jack Taylor, Call The Midwife, An Klondike, London Irish, Raw, Inspector George Gently, Paddywhackery, Fair City and Na Cloigne.
Her film credits include High Rise, Arracht, Sophie At The Races, Treasure Island, Fractured, The Daisy Chain and Starfish.
In 2015 Siobhan won Best Actress at the European Independent Film Festival in Paris for her role in Sophie At The Races and in 2016 was nominated for an IFTA for her work on the TV series An Klondike.
Nathan trained at Guildford School of Acting making his West End debut in 2009 playing Mary Sunshine in the hit musical Chicago (Cambridge Theatre).
Other title roles include Fringe sellout Tony Blair: The Musical (Gilded Balloon / Cast Recording), Aladdin (Broadway, Barking), Achilles in Heels (Landor Theatre / Cast Recording) and Edward II (Rose Theatre, Bankside).
Nathan has played Ugly Sister in four QDOS Pantomimes, working with The Krankies (Wolverhampton Grand), The Chuckle Brothers (Hull New Theatre) Shane Ritchie (The Cliffs Pavilion) and Bradley Walsh (The Orchard Theatre)
Other credits include: Splendorella in Heels Of Glory (Chelsea Theatre), Prince Jo in Rapunzle (Harlow Playhouse), 17 Production Shows for P&O Cruises, Billy Crocker in Anything Goes (Cambridge Arts Theatre), Prince Charming in Cinderella (Towngate Theatre), Peep-Bo & Yum Yum in The Mikado (Union Theatre), Jimmy Dougherty in The Marilyn Monroe Show (Spiegeltent, Brighton), The Balladeer in Assassins (Landor Theatre), Soloist in Stick Your Tongue Out A Little (Arcola Theatre Tent), Honey in Heels Of Glory (Albany Theatre), Christmas In An Hour (Jermyn Street Theatre), V.E. Day Celebration (Greenwich Theatre), The 12 Tenors (Windsor Theatre & Dutch National Television) and he performed with Notes From New York several times. Nathan played Jonathan in Edges - A New Song Cycle (Union Theatre) - a show he also produced.
As a voice over artist Nathan has appeared in TV and Radio adverts for confused.com and Vodaphone.
Since 2013 Nathan has been in high demand throughout the UK and Internationally as his drag cabaret alter-ego - glamorous songstress Topsie Redfern. Topsie won Best Drag Newcomer - Boyz Magazine Awards 2014 and was 1st runner-up in national competition Drag Idol UK 2013. Topsie has headlined four adult pantomimes at the prestigious Royal Vauxhall Tavern including “Rubbed” 2018/19.
Topsie is a proud Ambassador for UK Charity Cancer Is A Drag - an organization raising money to support people living with Cancer.