From Unknown to Downton, with Stops Along the Way

Without meeting every charming, self-deprecating actor in Great Britain (and there are so very many in the land of the rose), would it be acceptable to simply declare Hugh Bonneville the most adorable, unassuming one of the bunch (senior division)?

Actually, considering the evidence of his winsome memoir, Playing Under the Piano: From Downton to Darkest Peru, the quondam Robert Crawley, seventh Earl of Grantham, is without peer in the field.