| Person | Type | Job | Role(s) |
|---|---|---|---|
 Desmond Davis | Crew | Camera | Camera Operator |
 Duncan Sutherland | Crew | Art | Art Direction |
Giles Cooper | Crew | Writing | Story |
Henry Richardson | Crew | Editing | Editor |
 Jimmy Sangster | Crew | Writing | Screenplay |
Les Bowie | Crew | Crew | Special Effects |
 Monty Berman | Crew | Production | Producer, Director of Photography |
Norman Harrison | Crew | Directing | Assistant Director |
Peter Key | Crew | Writing | Story |
 Quentin Lawrence | Crew | Directing | Director |
 Robert S. Baker | Crew | Production | Producer |
Ronald Liles | Crew | Production | Production Supervisor |
 Stanley Black | Crew | Sound | Original Music Composer |
Eleanor Jones | Crew | Costume & Make-Up | Makeup Artist |
Dick Smith | Crew | Sound | Sound Recordist |
Joy Vigo | Crew | Costume & Make-Up | Hairstylist |
 Brian Johnson | Crew | Crew | Special Effects Assistant |
Charles Permane | Crew | Production | Production Manager |
Yvonne Richards | Crew | Directing | Continuity |
George F. Kerr | Crew | Writing | Story |
 Andrew Faulds | Cast | Actor | Brett |
 Anne Sharp | Cast | Actress | The Mother |
Anthony Parker | Cast | Actor | Second Student Climber |
 Colin Douglas | Cast | Actor | Hans |
 Derek Sydney | Cast | Actor | Wilde |
 Forrest Tucker | Cast | Actor | Alan Brooks |
 Frederick Schiller | Cast | Actor | Mayor Klein |
Garard Green | Cast | Actor | The Spotter Pilot |
George Herbert | Cast | Second Villager | |
 Janet Munro | Cast | Actress | Anne Pilgrim |
 Jennifer Jayne | Cast | Actress | Sarah Pilgrim |
Jeremy Longhurst | Cast | Actor | First Student Climber |
 Laurence Payne | Cast | Actor | Philip Truscott |
Richard Golding | Cast | First Villager | |
 Stuart Saunders | Cast | Actor | Dewhurst |
Theodore Wilhelm | Cast | Fritz | |
Thomas Foulkes | Cast | Evacuating Villager (uncredited) | |
 Warren Mitchell | Cast | Actor | Prof. Crevett |
Caroline Glazer | Cast | The Child | |
Jack Taylor | Cast | Actor | Voice of Beheaded Climber Jim |
Reg Thomason | Cast | Actor | Mountain Rescue Stretcher Bearer (uncredited) |
Jack Hetherington | Cast | Stationmaster (uncredited) | |
Otto Friese | Cast | Evacuated Villager (uncredited) | |
Leslie Heritage | Cast | Carl | |
| Person | Type | Job | Role(s) |
