Sacha Baron Cohen as Alistair Leslie "Ali G" Graham / Borat Sagdiyev

Michael Gambon as Prime Minister

Charles Dance as Deputy Prime Minister David Carlton

Kellie Bright as Julie

Martin Freeman as Richard "Ricky C" Cunningham

Paul Clayton as Alan Swan

Rhona Mitra as Kate Hedges

Tony Way as Dave

Graham McTavish as Duke

Barbara New as Nan

Emilio Rivera as Rico

Gina La Piana as Hoochie 1

Dana de Celis as Hoochie 2

Martin Ball as Customs Official

Steffan Rhodri as Welsh Teacher

Eileen Essell as Mrs. Hugh

Frank Dunne as Blind Polisher

Naomi Campbell as Self

Jon Snow as Self

John Humphrys as Self

Richard Madeley as Self

Judy Finnigan as Self

Judi Shekoni as Jacuzzi Girl

Jacqueline Castro as Mum

Nabil Elouahabi as Jezzy F

Richard Syms as Caretaker

Ray Panthaki as Hassan B

Adam Deacon as East Staines Massiv

Rudolph Walker as President Mwepu

Andrew Dunn as Police Officer

Martin Wimbush as MP

Dean Batchelor as East Staines Massiv

Robert M. Jimenez as Gangster