Studying at Rose Bruford College of Theatre and Performance, Delve appeared in a large number of theatrical productions, including She Stoops to Conquer, Twelfth Night (as Sir Andrew Aguecheek) and as one of the two Clowns in The 39 Steps. Delve also made a number of screen appearances, playing Sam Carne in the original series of Poldark, Will Codsall in A Horseman Riding By and the Herald in Jangles, as well as guest roles in Blackadder and Casualty. He also had a role as Alec in the film Diamond Skulls. Making his musical debut as Thénardier in Les Misérables, Delve played a large number of stage musical roles, including Mr. Sowerberry in the London Palladium production of Oliver!, Firmin in The Phantom of the Opera, Sir Danvers Carew in Jekyll & Hyde and Audrey II in Little Shop of Horrors.
Diamond Skulls
(Alec)
Titanic: The Musical
(Isidor Straus)
Going Home: Shebbear
(Archie)
The Saliva Milkshake
(Student)
The Brittas Empire
(Steve)
Blackadder
(Sir George de Boeuf)
Poldark
(Sam Carne)
A Horseman Riding By
(Will Codsall)
Centre Play
(Student)
Second City Firsts
(Mick)
Ten from the Twenties
(Seth Gittins)
Jangles
(Herald)
Agatha Christie's Partners in Crime
(O'Neill)