Halasius has over two decades of experience playing roles in Films, TV, Theater, and Commercials.
In his childhood, Halasius developed his own acting technique. Later on, he explored other techniques, including:
Actors Improv Studio (Applebaum), Acting Theater on Screen (Todoroff), On-camera acting for experienced actors (Rountree), Tap Dance (Hobbs), Dramatic Art (Steinhardt), Theater AD (Lazz), Adaptations (Guevara),
Theater of Crisis (Barri), and Training for live TV (Paz).