With the world of conservancy workers at its center, Witness presents a never-seen-before view of metropolitan cities and the invisible corridors of power lying underneath them.
Shraddha Srinath
Parvathi
Rohini
Indrani
Shanmugarajan
Sivaprakasam
Selva
Betharaju
Rajeev Anand
Sibi
N. Azhagamperumal
Chief Engineer
Srinath
Ramanathan
Ajit Koshy
Contractor
Subathra Robert
Kalpana
Kadugu Ramamoorthy
Ex-Policeman
Vinod Sagar
Mahendran
Rindhu Ravi
Pravathi's Mother
