Johnno Dean is a fictional character from the British soap opera Hollyoaks, played originally by Mark Powley. He first appeared in October 2002, and from April 2003 was replaced by Colin Wells until his exit on 22 July 2005. The character returned on 26 to 31 October 2017 for a guest stint to coincide with the exit of his ex-wife, Frankie Osborne (Helen Pearson).