Stephen Mangan

Postman Pat (voice)

Jim Broadbent

CEO (voice)

Rupert Grint

Josh (voice)

David Tennant

Wilf (voice)

Ronan Keating

Postman Pat (singing voice)

Susan Duerden

Sara Clifton (voice)

Sandra Teles

Julian Clifton (voice)

T.J. Ramini

Ben Taylor (voice)

Peter Woodward

Carbunkle (voice)

Robin Atkin Downes

Simon Cowbell (voice)

Brian George

Ajay Bains (voice)

Parminder Nagra

Nisha Bains (voice)

Jo Wyatt

Meera Brains (voice)

Enn Reitel

PC Selby / Reverend Timms / Pat Wannabe 2 / Raed (voice)

Jane Carr

Mrs. Goggins / Granny (voice)

Dan Hildebrand

Ted Glenn (voice)

Darren Richardson

Alf Thompson / SDS Employee 2 (voice)

Jacob Witkin

George Lancaster / Major Forbes (voice)

Jean Gilpin

Miss Hubbard / Crowd Lady / Pat Wannabe 3 (voice)

Anastasia Griffin

Dr. Sylvia Gilbertson / Lauren Taylor (voice)

Laura Solon

Chat Host (voice)

Olivia Poulet

Dorothy Thompson (voice)

Aimee Osbourne

Amy Wrigglesworth (voice)

Becky Wright

Lizzy Taylor (voice)

Steven Kynman

Bill Thompson (voice)

Teresa Gallagher

Lucy Selby (voice)

Charlie Woodward

Charlie Pringle (voice)

Kieron Elliott

Michael Lam / SDS Employee 1 (voice)

Mike Disa

Jess / UDM 300 (voice)

Chris Evans

Radio Host (voice)

Craig Ferguson

Craig / Not a Dalek (voice)

Robert Anich

Escapologist (voice)

Adam Smyth

Cameraman 1 (voice)

Lucy Davis

Director 1 (voice)

Kelly Beckett

Reporter / SDS Employee 3 (voice)

Julian Stone

Director 2 / Stagehand 2 (voice)

Dee Bradley Baker

Pat Wannabe 1 (voice)

Tony Curran

Paparazzi 2 (voice)

Greg Ellis

Jimmy (voice)

Rachael Louise Miller

Walla Artist (voice)