Breaking Bad star Anna Gunn has been cast opposite Gary Sinise in the upcoming Criminal Minds spin-off series.

The series follows FBI agents who help US citizens in trouble abroad, with Gunn playing legal expert and linguist Ally Lambert, and Sinise playing team boss Jack Garrett. reports that the spin-off will debut as an episode during the current season of Criminal Minds in the US.

The new series of Criminal Minds begins on RTÉ2 on Sunday night, February 1, at 9:00pm.