Some of his most memorable roles at the Endla include those in stage productions by such varied international playwrights and authors as: Tom Stoppard, Astrid Lindgren, Gustave Flaubert, Wajdi Mouawad, Luigi Pirandello, Jane Austen, Maurice Maeterlinck, Georg Buchner, Peter Quilter, Tennessee Williams, and J. M. Barrie.

Among his more memorable performances at the Endla in roles by Estonian playwrights and authors include those of: Karl Ristikivi, Urmas Vadi, Tiit Palu, Kalju Kangur, Andrus Kivirähk, Gerda Kordemets, Mart Kivastik, and Triinu Ojalo.

In 2015, it was announced that Loog would appear as Andres in a Tanel Toom directed film Tõde ja õigus, an adaptation of A. H. Tammsaare's sweeping social epic pentalogy of the same name.

[6] Priit Loog made his television debut as the character Richard Rõõmus in the Eesti Televisioon's (ETV) Tuulepealne maa; a twelve-part mini-series chronicling Estonia's history from the Estonian War of Independence, post-war life throughout the 1920s up until 1940, and World War II.

[8] From 2010 until 2013, he played the role of Paul Moorits on the popular Kanal 2 drama series Pilvede all.