John Jacob "Jackie" Merrick, played by Ian Sharrock, was originally seen as a young boy in the earliest episodes of Emmerdale Farm before returning as a regular character in 1980.
John Jacob "Jackie" Merrick was played by Ian Sharrock from 1980 to 1989. The character was originally seen as a young boy (actor unknown) in the earliest episodes of Emmerdale Farm before returning as a regular character in 1980.