Harikrishnans presents an engaging storyline that combines elements of thriller, romance, and drama. The screenplay is crafted to maintain suspense throughout, with a strong first half that sets up the characters and the mystery effectively. The pacing in the first half is steady, allowing viewers to connect with the protagonists and the unfolding plot. However, the second half, while dramatic, tends to slow down at times due to extended courtroom sequences and emotional dialogues.

The film benefits from the star power of Mammootty and Mohanlal, whose performances add depth to the narrative. The songs, though limited in number, are melodious and blend well with the film's mood. The background score complements the suspense and emotional beats, enhancing the overall viewing experience. Cinematography by Anandakuttan captures the scenic locales and intense moments with equal finesse.

While the movie does well in balancing commercial elements with a gripping story, some critics noted that the screenplay could have been tighter in the latter half to maintain momentum. The music director's contribution, though not explicitly credited, supports the film's tone adequately. Overall, Harikrishnans stands out as a memorable film from the late 90s Malayalam cinema, primarily due to its cast and engaging narrative.

Mammootty: Strong and convincing portrayal of Hari, balancing intensity and emotional depth.

Mohanlal: Charismatic and nuanced as Krishnan, delivering both charm and gravitas.

Juhi Chawla Mehta: Graceful and engaging in the romantic lead role, adding freshness to the film.

Kunchacko Boban: Supportive role with a natural and youthful presence.

Innocent: Provides comic relief with impeccable timing.

Nedumudi Venu: Adds depth with a subtle and mature performance.