Happy Ending attempts to blend quirky humor with romantic drama, but the execution is uneven throughout. The screenplay offers some witty dialogues and situational comedy, especially in the first half, which keeps the audience mildly engaged. However, the pacing suffers in the second half as the story meanders without a strong narrative drive, leading to a somewhat predictable and forced conclusion.

The film's content tries to be fresh and offbeat, but it occasionally falls into clichés typical of Bollywood romantic comedies. The songs and music by Jigar Saraiya and Sachin Sanghvi are pleasant but not particularly memorable, serving more as fillers than highlights. The background score complements the mood but does not stand out.

Cinematography by Chase Bowman, Yaron Levy, and Mahesh Limaye captures the urban vibe effectively, adding a visual appeal to the film. Overall, while the movie has moments of charm and decent performances, it lacks the cohesiveness and punch needed to make a lasting impact.

Saif Ali Khan: Delivers a laid-back and natural performance, though the character lacks depth.

Ileana D'Cruz: Offers a fresh and lively portrayal, bringing charm to her role.

Kalki Koechlin: Provides a quirky and engaging presence, adding to the film's humor.

Govinda: Makes a brief but impactful appearance with his signature comic timing.

Ranvir Shorey: Delivers solid support with subtle humor.

Preity Zinta: Appears in a cameo, adding a nostalgic touch.