Elenco

• Karen Meagher — Ruth Beckett
• Reece Dinsdale — Jimmy Kemp
• David Brierly — Mr. Kemp
• Rita May — Mrs. Kemp
• Nicholas Lane — Michael Kemp
• Jane Hazlegrove — Alison Kemp
• Henry Moxon — Mr Beckett
• June Broughton — Mrs Beckett
• Sylvia Stoker — Granny Beckett
• Harry Beety — Clive Sutton
• Ruth Holden — Marjorie Sutton
• Ashley Barker — Bob
• Michael O'Hagan — Chief Supt. Hirst
• Phil Rose — Medical Officer
• Steve Halliwell — Information Officer
• Brian Grellis — Accommodation Officer
• Peter Faulkner — Transport Officer
• Anthony Collin — Food Officer
• Michael Ely — Scientific Officer
• Sharon Baylis — Manpower Officer
• David Stutt — Works Officer
• Phil Askham — Mr Stothard
• Anna Seymour — Mrs Stothard
• Fiona Rook — Carol Stothard
• Christine Buckley — Woman in Supermarket
• Joe Belcher — Shopkeeper
• David Major — Boy in Supermarket
• Maggie Ford — Peace Speaker
• Mike Kay — Trade Unionist
• Richard Albrecht — Officer at Food Depot
• Ted Beyer — Policeman
• Dean Williamson — Policeman
• Joe Holmes — Mr Langley
• Andy Fenn-Rodgers — Patrol Officer
• Graham Hill — Soldier
• Nigel Collins — Soldier
• Jerry Ready — Looter
• Dennis Conlon — Looter
• Greta Dunn — Woman at Hospital
• Nat Jackley — Old Man at Graveyard
• John Livesey — Street Trader
• Victoria O'Keefe — Jane
• Lee Daley — Spike
• Marcus Lund — Gaz
• Lesley Judd — Newscaster
• Colin Ward-Lewis — Newscaster
• Paul Vaughan — Narrator (voice)
• Ingrid P. Frehley — Woman with dead baby (uncredited)
• Michael Shale — Man who has leg amputated (uncredited)
• Anne Sellors — Woman who urinates herself (uncredited)
• Lee Cambell — Dead Boy Under Gate (uncredited)
• Jonathan Harston — Survivor on the Moors (uncredited)
• Patrick Allen — Public Information Film Announcer (voice) (uncredited)
• Ed Bishop — US President (voice) (uncredited)

Câmara

• Andrew Dunn — director of photography
• Paul Morris — director of photography
• Dion M. Casey — camera trainee

Argumento

• Barry Hines — writer

Montagem

• Donna Bickerstaff — editor
• Jim Latham — editor

Guarda-roupa e maquilhagem

• Sally Nieper — costume design
• Jan Nethercot — makeup designer
• Gilly Martin — costume supervisor

Direção de arte

• Christopher Robilliard — production design
• Andy Coward — graphic designer

Produção

• Graham Massey — executive producer
• John Purdie — executive producer
• Peter Wolfes — associate producer
• Matthew Kuipers — production manager
• Jacinta Peel — production manager
• Mick Jackson — producer

Som

• Graham Ross — sound recordist
• Fraser Barber — boom operator

Equipa técnica

• Peter Kersey — special effects
• Dorothy Ford — stunts
• Robert Jay Lifton — scientific consultant
• Joseph Rotblat — scientific consultant
• Carl Sagan — scientific consultant

Efeitos visuais

• Peter Wragg — visual effects
• Graham Brown — visual effects

Realização

• Mick Jackson — director