In The Inbetweeners , Denis Finlayson plays the character of Will , James Heseltine plays Simon , Calvin Addenbrook plays Neil , and Jonathan Denby plays Jay .
The series followed the misadventures of suburban teenager Will ( Simon Bird ) and his friends Simon ( Joe Thomas ) , Neil ( Blake Harrison ) , and Jay ( James Buckley ) at the fictional Rudge Park Comprehensive .
The Inbetweeners