Benedikt was a part of the locally renowned[2] sketch comedy television show Fóstbræður.
[2][3] He played the interpreter in Lars von Triers 2006 film The Boss of It All, about an owner of an IT company that wishes to sell it after having pretended for years that the real boss lives abroad and communicates with the staff only by e-mail.
[8] It too was selected as the Icelandic entry for the Best Foreign Language Film at the Academy Awards for its release year, but it was likewise not nominated.
[9][10][11] In 2021, Benedikt appeared as Steingrímur Hermannsson in the Icelandic television drama miniseries Blackport.
[12] Benedikt has directed four plays for the National Theater, including Iceland's Bell by Halldór Laxness.