Mike Barnes is a fictional character from the British Channel 4 soap opera Hollyoaks, played by Tony Hirst. He first appeared on 30 January 2006. In 2010, soap opera magazine Inside Soap reported that the character would leave in late January with love interest Zoe Carpenter. This was later confirmed. The character briefly returned in August 2016 and again in March 2017, where his youngest daughter Amy Barnes was killed off in a "whodunit" storyline. He returned again in September 2017 giving evidence against Ste Hay during Amy's murder trial.

Zoe Carpenter is a fictional character from the British Channel 4 soap opera Hollyoaks, played by Zoë Lister. The character first appeared on-screen on 1 September 2006, as one of three new students at Hollyoaks Community College. It was announced in 2009 that Lister had quit her role in order to pursue other projects; she subsequently left the series in January 2010. During Zoe's time in Hollyoaks she has been portrayed as a bubbly tomboy who often makes the wrong choices in life and has had a number of failed relationships. In March 2017, it was reported that Lister would be reprising the role and it was later confirmed that she would return for Amy Barnes' funeral. Her return aired on 24 April 2017.