阿恩门迪尔·恩斯特·比约恩松，Arnmundur Ernst Björnsson is an Icelandic actor born on September 28, 1989 in Reykjavík. His parents are Edda Heiðrún Backman, actor and director and Björn Ingi Hilmarsson, actor and director. He graduated from the Icelandic Academy of Arts in 2013.