எதிர் நீச்சல்

Sivakarthikeyan

as Kunjithapatham/Harish

Priya Anand

as Geetha

Nandita Swetha

as Valli

Jayaprakash

as Coach

Ravi Prakash

as Raja Singh

Sathish

as Peter

Surekha Vani

as Kunjithapatham's Mother

Suza Kumar

as Kunjithapatham's first love interest

Manobala

as Astrologer Gunashekar Raja

Madhan Bob

as Office Manager

Dhanush

as Special Appearance in "Local Boys" Song

Nayanthara

as (Special appearance)

அனிருத் ரவிச்சந்திரன்

as Bar Waiter (Cameo Appearance)

RJ Balaji

as Himself (Host Of Chennai Marathon)

Dinesh Ravi

as Dinakaran