Craft a visually striking cinematic movie poster for "Parallel Souls," employing an art style dominated by a teal and orange color scheme. Incorporate the mesmerizing double exposure effect, blending the side profile of a girl with another person to symbolize their interconnected destinies. Ensure the girl's profile remains prominent, exuding depth and emotion, while seamlessly integrating the overlaid figure. Select a backdrop with a dreamy quality, enhancing the contrast between teal and orange hues for added visual impact. Utilize elegant fonts for the title and tagline, strategically placing them to balance the composition. Enhance the poster with film grain or texture overlays, infusing a nostalgic charm to captivate viewers' imaginations and entice them to explore the enigmatic world of "Parallel Souls."