Recently returned to the Welsh TV series ROWND A ROWND playing his ongoing character Osian.  Iddon played Jack in Y TYLWYTH, and has frequently presented and performed at the annual Welsh musical festival  EISTEDDFOD. For 2 years he played Boq in a No 1 Tour of WICKED and prior to this appeared in Joe Murphy's production of SYMPHONY both at the Soho Theatre and at Edinburgh Festival.  

Iddon has  won a BAFTA for his film DANCING IN CIRCLES.