Caplan trained at the
Royal Central School of Speech and Drama and since leaving has appeared in many award-winning projects on stage and screen including the Olivier Award winning Kink's Musical
Sunny Afternoon in
Harold Pinter Theatre and Mike Leigh's
Two Thousand Years at the
National Theatre as well as working at the
Royal Court Theatre and the
Royal Shakespeare Company. His many screen appearances include playing PC Noakes in the BBC/PBS period drama
Call The Midwife, Walter 'Smokey' Gordon in the multi award-winning HBO World War Drama
Band of Brothers and the
BAFTA award winning
The Lost Honour of Christopher Jefferies. == Filmography ==