In 2016, he appeared briefly in Warcraft, the film adaptation of the video game Warcraft, in which he was credited as Warrior, as well as joining the main cast of Starz TV's Power, for season three, as Dean. Callan has also completed the horror film Delirium, and is in post-production for the films Beyond Skyline, the sequel to the cult-classic Skyline, and Desolate, a drama based on a family of farmers living in a dystopian future.
In 2016, he made a cameo appearance in Warcraft, the film adaptation of the video game Warcraft, where he was credited as Warrior, and joined the main cast of Starz TV's Power, for season three, as Dean. Callan has also finished filming the horror movie Delirium, and is currently working on the films Beyond Skyline, the sequel to the cult-classic Skyline, and Desolate, a drama about a family of farmers living in a dystopian future.