Dev Patel
as Saroo Brierley

Rooney Mara
as Lucy

David Wenham
as John Brierley

Nicole Kidman
as Sue Brierley

Abhishek Bharate
as Guddu

Divian Ladwa
as Mantosh Brierley

Priyanka Bose
as Kamla Munshi

Deepti Naval
as Saroj Sood

Tannishtha Chatterjee
as Noor

Nawazuddin Siddiqui
as Rama

Sunny Pawar
as Young Saroo

Keshav Jadhav
as Young Mantosh

Benjamin Rigby
as Waiter

Riddhi Sen
as Cafe Man

Rita Boy
as Amita

Arka Das
as Sami

Emilie Cocquerel
as Annika

Sachin Joab
as Bharat

Menik Gooneratne
as Swarmina

Anna Samson
as Cute Bar Maid

Eamon Farren
as Luke

Tegan Crowley
as Workmate #1

Belinda Misevski
as Lucy's Friend

Lucy Moir
as Lucy's Friend