Hans Unterkircher's illustrious stage career commenced following his academic pursuits at the prestigious Conservatorium of Vienna. He subsequently took to the boards in Vienna, the Province, and the renowned Max Reinhardt Theater in Berlin. In 1914, the esteemed Max Reinhardt extended an invitation to Hans to venture to New York City, where he tread the boards at the esteemed Irving Place Theater. Two years later, in 1916, the visionary Carl Laemmle offered Hans a coveted position and subsequently inked a contract with the esteemed Universal International Studio in Hollywood. During this period, Hans shared the spotlight with luminary stars such as Edith Roberts, Mae Murray, and Theda Bara. Furthermore, he played a pivotal role in discovering the fledgling yet captivating talent of Rudolph Valentino, a young, handsome, and impoverished Italian actor.
In 1918, Hans defied the wishes of his patron and returned to Europe, where he continued to hone his craft as both a film and stage actor. His repertoire included a wide range of Operettas, with one notable production being the beloved "Wunderbar" alongside the inimitable Zarah Leander. This iconic collaboration would go on to be adapted for both the silver screen and television, with Hans bringing his trademark elegance and charm to the role.
