Hugh Jackman
Roddy (voice)

Kate Winslet
Rita (voice)

Ian McKellen
The Toad (voice)

Jean Reno
Le Frog (voice)

Bill Nighy
Whitey (voice)

Andy Serkis
Spike (voice)

Shane Richie
Sid (voice)

Kathy Burke
Rita's Mum (voice)

David Suchet
Rita's Dad (voice)

Miriam Margolyes
Rita's Grandma (voice)

Susan Duerden
Mother (voice)

Miles Richardson
Father (voice)

John Motson
Football Commentator (voice)

Douglas Weston
Newspaper Seller (voice)

Christopher Fairbank
Thimblenose Ted / Cockroach / Passerby (voice)

Conrad Vernon
Take Out (voice)

Jonathan Kydd
Barnacle (voice)

Newell Alexander
Tex (voice)

Christopher Knights
Fat Barry / Market Trader (voice)

Emma Tate
Fly-Lady / Passerby #2 (voice)

Tom McGrath
Action Figure / Artist (voice)

Sam Fell
Liam / Prophet / Ladykiller / Fanseller (voice)

David Bowers
Goldfish / Fly / Shocky / Henchfrog #1 / Tadpole (voice)