After a dramatic start to kick of a brand new series of Casualty. Viewers saw tonight (August 11) paramedic Sam Nicholls die. Actress Charlotte Salt played Sam from 2011-2013 as a Registrar in the ED to later return in 2017 joining the paramedic team until her shocking death in the first episode of Series 33. The official BBC Casualty Twitter account posted a new trailer, which ended with Iain saying sorry to Sam as she lies in the mortuary. You can read an interview on Digital Spy, by clicking here.