Unnale Unnale

An urbane civil engineer from Chennai who thrives on playful charm but struggles with deeper commitment. His flirtatious nature and fear of vulnerability complicate his relationship with Jhansi, triggering a series of misunderstandings. Over the course of the story, he confronts his true feelings and eventually expresses lasting love for Jhansi, redefining what he wants from a partner.

Independent, emotionally guarded, she challenges Karthik's casual outlook on love. Initially wary, she tests their bond through jealousy and distance, ultimately recognizing the depth of her feelings. Her decision to leave for Sydney marks a personal choice toward self-respect and autonomy.

Outgoing, charming coworker who forms an instant rapport with Karthik on the plane and ends up working with him in Melbourne. She admires Karthik’s charm but becomes entangled in the evolving romance between him and Jhansi. Her feelings create a love triangle that tests loyalties and timing.

Fellow Tamilian who offers practical counsel and represents the steady friend archetype in Karthik's life. He advises Karthik to move on rather than dwell on past regrets, acting as a voice of reason amid romantic chaos.

The wedding bride who receives an improvised song and a kiss from Karthik, triggering a spark of confusion in Jhansi and highlighting Karthik's charisma and test of fidelity.

Karthik's friend who participates in playful misadventures that influence the relationship dynamic.

Another friend who shares in Karthik’s adventures and offers comic relief; he alongside Raju helps frame the social circle around the couple.

Appears in the film's opening interview sequence about love and the opposite sex.

At a wedding scene, she kisses Karthik, triggering a sequence that adds to Jhansi's jealousy.

One of Jhansi's circles of friends who appears in a cameo in Melbourne, adding to the social setting.

Another cameo role that appears in the film, contributing to the overall atmosphere of the story.