The Railway Children review " Justin Fletcher boards first-class crowdpleaser
King's Cross theatre, LondonThe CBeebies favourite has been cast as Mr Perks in this imaginative adaptation of E Nesbit's classic " but the real star of the show pulls in later"Dad?" Six-year-old Aggie eyes me with a doubtful look. "Is Justin going to be funny?" I must admit I've been thinking the same thing. We're en route to see Justin Fletcher, CBeebies' resident jester, star in The Railway Children, the tear-jerk…