Louis was born in Melbourne and writes for film, theatre and television.
He is the author of such plays as Inner Voices, Visions, Inside the Island, The Precious Woman, Sunrise, The Golden Age, Capricornia, Byzantine Flowers, The Watchtower, Summer of the Aliens, Cosi, Radiance, The Temple, Crow, The Incorruptible, The Junle, The Language of the Gods and The Boyce Trilogy.
He has written six non-fiction works, Kings Cross: A Biography, The Cheated, Warne's World, Walkabout, Chihuahuas, Women and Me, and Bad Dreaming; the novels The Misery of Beauty, Palu, Red Nights, Abaza, Ice; two novels for young adults, Into That Forest and The Prince of Afghanistan; and the memoirs The Twelfth of Never and Shooting the Moon.
Some of his radio plays include Albert Names Edward, The Song Room, Sydney, The Divine Hammer, Far North and Jez. He has translated plays and written libretti including the recent Midnight Son and written the telemoviesDisplaced Persons, Hunger and The Lizard King. His screen credits include Map of the Human Heart, Cosi, Heaven's Burning, The Matchmaker, Radiance, K-19: The Widowmaker and Black and White. He was co-writer of the documentary seriesFirst Australians and created TV seriesThe Last Resort and The Straits. Also an essayist, he lives in Sydney and is married to the writer Mandy Sayer.