Complex sentence: From 2001 until 2004, Vine appeared on ITV's "The Sketch Show" with Lee Mack, whom he later worked with on BBC One sitcom "Not Going Out" playing the role of Timothy Gladstone Adams from 2006 until his departure in 2012.
Split into simpler sentences: From 2001 until 2004, Vine appeared on ITV's "The Sketch Show" with Lee Mack, whom he later worked alongside on BBC One sitcom "Not Going Out". Tim played the role of Timothy Gladstone Adams from 2006 until his departure in 2012.