Jem Costello

In-universe information
In-universe information
Occupation	Barmaid (2010); Student (until 2010)
Father	Carl Costello
Stepmother	Heidi Costello (until 2011)
Half-brothers	Seth Costello ; Riley Costello ; Jason Costello
Uncles	Trev Costello
Nephews	Bobby Costello; Phoenix Costello

Jem Costello
Jem Costello
Hollyoaks character
Portrayed by	Helen Russell-Clark
First appearance	5 March 2010
Last appearance	30 November 2010
Classification	Former; regular
Introduced by	Lucy Allan
Occupation	Barmaid (2010); Student (until 2010)
In-universe information
Occupation	Barmaid (2010); Student (until 2010)
Father	Carl Costello
Stepmother	Heidi Costello (until 2011)
Half-brothers	Seth Costello ; Riley Costello ; Jason Costello
Uncles	Trev Costello
Nephews	Bobby Costello; Phoenix Costello

Jem Costello is a fictional character from the British Channel 4 soap opera Hollyoaks, played by Helen Russell-Clark. She made her first on-screen appearance on 5 March 2010. It was later announced that Jem had been written out of the serial, and the character would leave in November 2010. Russell-Clark made her final appearance as Jem on 30 November 2010.