Domhnall Gleeson Mortified As Ryan Brings Out Ancient Clip And His Old Teacher

Domhnall Gleeson was on The Late Late Show last night and one of the most loved actors going at the moment was left red-faced by host Ryan Tubridy. 

He was reunited with the teacher who made a huge impact on him (after a slightly mortifying blast from the past).

How far he has come appearing in the likes of Star Wars since those early Grease days...

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