Complex sentence: Gervasi got his film writing start with The Big Tease which he co-wrote with Craig Ferguson and went on to pen The Terminal which was made into a film in 2004 directed by Steven Spielberg and starring Tom Hanks.
Split into simpler sentences: Gervasi got his film writing start with "The Big Tease", which he co-wrote with Craig Ferguson. He went on to pen "The Terminal", made into a film in 2004 directed by Steven Spielberg and starring Tom Hanks.