எதிர் நீச்சல்

Sivakarthikeyan

— Kunjithapatham/Harish

Priya Anand

— Geetha

Nandita Swetha

— Valli

Jayaprakash

— Coach

Ravi Prakash

— Raja Singh

Sathish

— Peter

Surekha Vani

— Kunjithapatham's Mother

Suza Kumar

— Kunjithapatham's first love interest

Manobala

— Astrologer Gunashekar Raja

Madhan Bob

— Office Manager

Dhanush

— Special Appearance in "Local Boys" Song

Nayanthara

— (Special appearance)

அனிருத் ரவிச்சந்திரன்

— Bar Waiter (Cameo Appearance)

RJ Balaji

— Himself (Host Of Chennai Marathon)

Dinesh Ravi

— Dinakaran