Benjamin "Ben" Chiltern, known by his nickname "Lofty", is a staff nurse who works on the AAU of Holby City Hospital in May 2017. He initially worked in the hospital's emergency department from 2014 to 2016.

Lofty's grandmother Sheilagh Chiltern is introduced as a recurring character in the episode "Hanssen is as Hanssen Does".

In the 2018 episode "Ache" Lofty begins dating Registrar Dominic Copeland following encouragement from his grandmother.

Behind the scenes

Lee Mead initially portrayed Lofty on Casualty from 2014 to 2016. He will return to the role on Holby City in 2017. Mead announced on Twitter that he is "likely to be around end of may".