
Jan Oskar Sverre Lucien Henri Guillou (born 17 January 1944) is a French-Swedish author and journalist. Guillou's fame in Sweden was established during his time as an investigative journalist, most notably in 1973 when he and co-reporter Peter Bratt exposed a secret and illegal intelligence organization in Sweden, Informationsbyrån (IB). He is still active within journalism as a column writer for the Swedish evening tabloid Aftonbladet. Among his books are a series of spy fiction novels about a spy named Carl Hamilton, and a trilogy of historical fiction novels about a Knight Templar, Arn Magnusson. He is the owner of one of the largest publishing companies in Sweden, Piratförlaget (Pirate Publishing), together with his wife, publisher Ann-Marie Skarp, and Liza Marklund.

Skavlan
TV • 2009

På spåret
TV • 1987

Hellenius Hörna
TV • 2010

Nytt på nytt
TV • 1999

All Against All
TV • 2019

Min sanning
TV • 2012

Historieätarna
TV • 2012

Babben & Co
TV • 2007

Kvällspressen
TV • 1992

Babel
TV • 2014

Talismanen
TV • 2003

Stenbeck
TV • 2013

Ett herrans liv
TV • 2006

Silbersky
TV • 2019

The 7 Deadly Sins
TV • 2007

Palme
MOVIE • 2012

Leif GW Persson - Min klassresa
TV • 2015

Hasse & Tage - En kärlekshistoria
MOVIE • 2019