Jan Gunnar Røise (b.1975) voiced Bert in Bernt og Erling på nye eventyr, the Norwegian dub of Bert and Ernie's Great Adventures

He graduated from Oslo National Academy of the Arts in 2000 and have been employed at Nationaltheatret since then.

Some of his stage credits include Swamped in sensation, Jonatan in Folk og røvere I kardemomme by, Le mariage de Figaro and Glaube liebe hoffnung.