He's played Tintin in Tibet on stage,
stroppy Steve in Him & Her [Young, Unemployed and Lazy],
midshipman Alonso Frame in Dr Who,
werewolf George Sands in Being Human,
police constable Terence Reed in Murder Is Easy,
Leslie Durrell in My Family and Other Animals
He's been Rudge in The History Boys,
Budgie in Gavin and Stacey,
a security guard in Drop,
Dennis Sealy in Spywatch,
he's narrated two CDs for Dr Who spoken books "The Doctor Cage" and "The Eyeless"
The up to date list is on Wikipedia. If you want to see more click the following link:
The next thought I had was, I wonder can Russell sing, or would he "talk" through a song like David Tomlins used to do?
SINGING ABILITY - VARIOUS STYLES (AMATEUR)