
"Man has made his newest predator."
A teenage girl is captured by a giant mutated squid-like creature that appears from Seoul's Han River after toxic waste was dumped in it, prompting her family into a frantic search for her.
Park Gang-du

Park Hie-bong

Park Nam-il

Park Nam-joo

Park Hyun-seo

The Monster (voice)

Se-jin

Se-joo
Homeless Man

Fat Guevara

Yellow Suit at Funeral

Hostage nurse

Civilian Military Kim

Douglas

Young Korean Doctor
American Doctor

Donald

Fumigation Truck Skinny Man

U.S. Senator (uncredited)
Man from Duck Boat (uncredited)

Man on Blind Date (uncredited)
Detective Agency Subordinate 1 (uncredited)

Woman with Long Hair (uncredited)

Additional Voices (voice) (uncredited)

Isolation Ward Doctor (uncredited)

4th Mat 3 (uncredited)
Camera Phone Man (uncredited)
Camera Phone Woman (uncredited)
Mr. Yoon's Employee (uncredited)

Isolation Ward Nurse 1 (uncredited)

Woman crying (uncredited)

5th Mat Woman (uncredited)
Quarantine Hospital Nurse 2 (uncredited)
Woman from Couple (uncredited)

Woman from Duck Boat (uncredited)

Old Security Guard (uncredited)
Bride-to-be (uncredited)
Doctor from Isolation Ward 1 (uncredited)

Fisherman 1 (uncredited)

4th Mat 2 (uncredited)

Man from Couple (uncredited)
Fat Man (uncredited)
4th Mat 1 (uncredited)

Girl's Father (uncredited)
Altar Security (uncredited)

Agent Yellow (uncredited)
Fumigation Truck Dyed-hir Man (uncredited)

Groom-to-be (uncredited)
Inquiry Officer

Woman Stomping Her Feet (uncredited)

Exchanged Girl (uncredited)
Donald's Girlfriend (uncredited)
Mr. Yoon's Friend (uncredited)

Grandmother from Bus (uncredited)

Doctor from Isolation Ward 2

Woman on Blind Date (uncredited)
Taxi Driver

District officer Mr. Jo (uncredited)

Protester

Nurse

Isolation Ward Constable (uncredited)

Unknown Role

Nursing assistant