Zora Film image Tri Junaka January 4, 1962 Theatrical Zora Film StudioZora Film, Zagreb Film D.O.O. Credits Directing Director Branko Ranitović Writing Writer Vesna Rajic, Danko Oblak Animation Animator Zvonimir Loncaric Music Music Ivo Lhotka-Kalinski Editing Editor Lidija Jojic ← 2+2=3 Luda Graja Zbog Tramvaja →