David Tennant stars in the biopic of famed ?high priest of anti-psychiatry? R.D. Laing called, ?Mad To Be Normal.? It will have it?s world premiere and will be closing the Glasgow Film Festival in Scotland on February 26th. More cast members of the film are Elisabeth Moss, Gabriel Byrne, and Michael Gambon. The film was directed by Robert Mullan, and it place in the 1960?s in East London at a medication-free community center for individuals with schizophrenia.