- Simon Callow
- Sir John Osgood
- Stephen Fry
- Sir Anthony Silk
- Celia Imrie
- Miss Rapier
- Paul Giamatti
- Johnson J. Johnson
- Ned Beatty
- Gen. Ed Sheppard
- Bruce Cook
- Patrick Smash
- Rupert Grint
- Alan A. Allen
- Bronagh Gallagher
- Mrs. Smash
- Victor McGuire
- Mr. Smash
- Adam Godley
- Placido P. Placeedo
- Leslie Phillips
- Judge
- Robert Hardy
- Doctor
- John Higgins
- Paediatrician
- Lillie Crossley
- Denise, age 5
- Samuel Morgan-Davies
- Patrick, age 3
- Daniel Williams
- Patrick, age 5
- Scarlet Billham
- Denise, age 7
- Josh Herdman
- Damon
- Devon Anderson
- Dan
- Jock Norton
- Jake
- Chris Stanton
- Smooth teacher
- Anna Popplewell
- Denise Smash
- Mark Heenehan
- Todd Banner
- Del Synnott
- Music student
- Vicki Pepperdine
- Reporter
- Adrian McLoughlin
- Bob Rodgers
- Ernesto Tomasini
- Italian concierge
- Geoffrey McGivern
- Metallurgist
- Dick Ward
- Prison guard
- Stephen Boswell
- Prison Priest
- John Arthur
- Prison governor
- Glenn Wrage
- Pilot
- Paul Rogan
- USSC Scientist
- Gillian Maguire
- Emmanuele
- Alvin Chitroda
- Taj
- Pablo Duarte
- Jose
- Colin Stinton
- Foster
- John Hodgkinson
- Launch Controller 1
- Nigel Betts
- Launch Controller 2
- Rory MacGregor
- Launch Controller 3
- Greg Bennett
- Juror
- Gabriel Currington
- Conductor
- Amy Domenica
- School Bully
- Michael Finch
- Astronaut Broadbent
- Joe Gunn
- School Student
- Keira Knightley
- Music School Student
- Lutricia Norris
- School Teacher
- Dominic Smith
- Calum
- Bernadette Jane Vanderkar
- School Girl
- Gary Wronecki
- Flight Co- ordinator
