Santhanam as Kaalkattu 'KK' Kaliyaperumal

Powerstar Srinivasan as Power Kumar

Sethu as Shiva

Vishakha Singh as Soumya

VTV Ganesh as Krishnamoorthi

Kovai Sarala as Sowmiya's Aunt

Pattimandram Raja as Shiva's Father

Vanitha Krishnachandran as Shiva's Mother

Devadarshini as Shiva & Sowmiya's Neighbour

Vithusan as Koundan

Sivashankar Master as Sowmiya's Dad

Silambarasan as Self

Ganeshkar as Auto Driver

Swaminathan as Shiva & Sowmiya's Neighbour

Lollu Sabha Manohar as Ad Film Actor

Stunt Silva as Kolaveri David

Ashwanth Thilak as Special Appearance in "Hey Unnathan" Song

Balasubramaniem as Special Appearance in "Hey Unnathan" Song

Gautham Vasudev Menon as Self