- Category : 1946-births
- Type : MGE
- Profile : 3/5 - Martyr / Heretic
- Definition : Split - Small (7,13,20)
- Incarnation Cross : RAX Consciousness 1
Norwegian author, translator, screenwriter, actor, and director. He debuted with the poem collection "Slik tenker jeg på dere" ('This is how I think of you') in 1969. During 1968–69 he worked at the Bergen theatre Den Nationale Scene and later at Nationaltheatret and Hålogaland Teater as an actor, instructor, director, and writer.
He has acted in several movies, but is best known as a writer of plays for scene and radio theater. He has also written many well-known books, mostly for teenagers, but also for older and younger readers. He is best known for his books about the insecure teenage boy Markus.
His mother was poet Inger Hagerup. His daughter Hilde is also a writer.
Hagerup died from cancer on 20 December 2018. He was 72.