sentences:  As a screen actor, Mangels has had bit parts or extra roles in television series such as Leverage, The Librarians, and Grimm.He has appeared multiple times on Grimm, most recently in a two-episode arc in 2015 as a featured member of the "Wesenrein" group.He has also been in several films and telefilms, including Untraceable, , A Change of Heart, Total Reality, and others.