Guion

• Peter Rogers — screenplay
• Arthur Hailey — writer
• Arthur Hailey — theatre play

Producción

• Peter Rogers — producer

Dirección

• Gerald Thomas — director

Equipo técnico

• Gerald Thomas — script

Sonido

• Stanley Black — original music composer

Cámara

• Peter Hennessy — director of photography

Montaje

• John Trumper — editor

Arte

• Eric Saw — draughtsman

Reparto

• Robert Beatty — Pete Dawson
• Lee Patterson — Colin Walker
• Betty McDowall — Lucille Walker
• Vincent Winter — The Boy
• Robert Ayres — Insp. Andrews
• Alan Gifford — George Foster
• Larry Cross — Reporter
• Sandra Francis — Evelyn Webb
• Gordon Tanner — Dr. Hewitson
• Victor Wood — Howard Zeeder
• Peter Mannering — Dr. Foy
• Roland Brand — Police officer
• Sean Connery — Welder #1
• Murray Kash — Welder #2
• Jack Cunningham — Max Jarvis
• David Williams — Police Officer