The novel was Le Carre’s breakout novel and tells the story of Alec Leamas, a veteran British spy who is ordered to bring down one of East Germany’s most high ranking intelligence officers.
The rumours come a week after The Night Manager, which aired on BBC One earlier this year, scooped 12 Emmy Awards nominations.
Freddie Mercury: The Great Pretender Revealed and Karen Carpenter: Goodbye to Love will both be produced by ITV Studios' indie Potato.
Each film will be 120 minutes long and will feature archive footage, as well as one-to-one interviews, and scripted dramatisations based on firsthand accounts of the singers' lives.
Freddie Mercury rose to fame as the frontman and lyricist of rock band Queen, and counted Princess Diana as one of his close friends, he passed away in 1991 after battling with AIDS.
