| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bartlett A. Carré | Crew | Production | Production Supervisor |
Daniel Haller | Crew | Art | Art Direction, Set Designer |
Eve Newman | Crew | Sound | Music Editor |
Gilbert Warrenton | Crew | Camera | Director of Photography |
Harry Reif | Crew | Art | Set Decoration |
James H. Nicholson | Crew | Production | Executive Producer |
Jay Simms | Crew | Writing | Screenplay, Story |
John Morton | Crew | Writing | Screenplay |
Lawrence W. Butler | Crew | Crew | Special Effects |
 Les Baxter | Crew | Sound | Original Music Composer |
Lou Rusoff | Crew | Production | Producer |
Marjorie Corso | Crew | Costume & Make-Up | Wardrobe Master |
Pat Dinga | Crew | Crew | Special Effects |
Ray Mercer | Crew | Art | Title Designer |
 Ray Milland | Crew | Directing | Director |
 Samuel Z. Arkoff | Crew | Production | Executive Producer |
Stephen Bass | Crew | Sound | Sound |
Ted Coodley | Crew | Costume & Make-Up | Makeup Artist |
William Austin | Crew | Editing | Editor |
Richard M. Rubin | Crew | Art | Property Master |
Jerry Irvin | Crew | Editing | Assistant Editor |
Ross Hahn | Crew | Art | Construction Coordinator |
Al Bird | Crew | Sound | Sound Editor |
Arnold Houghland | Crew | Production | Producer |
Al Simms | Crew | Sound | Music Coordinator |
Robert Agnew | Crew | Production | Unit Manager |
James Engle | Crew | Directing | Assistant Director |
 Byron Morrow | Cast | Actor | Evacuee from Newhall |
 Frankie Avalon | Cast | Actor | Rick Baldwin |
 Jean Hagen | Cast | Actress | Ann Baldwin |
 Joan Freeman | Cast | Actress | Marilyn Hayes |
 Mary Mitchel | Cast | Actress | Karen Baldwin |
 Neil Burstyn | Cast | Actor | Andy |
 O. Z. Whitehead | Cast | Actor | Hogan |
 Ralph Clanton | Cast | Actor | Radio Announcer (voice / uncredited) |
Ray Milland | Cast | Actor | Harry Baldwin |
 Rex Holman | Cast | Actor | Mickey |
 Richard Bakalyan | Cast | Actor | Carl |
 Richard Garland | Cast | Actor | Ed Johnson |
 Russ Bender | Cast | Actor | Harkness |
 Scott Peters | Cast | Actor | Army Sergeant |
 Shary Marshall | Cast | Actress | Bobbie Johnson |
 Willis Bouchey | Cast | Actor | Dr. Powell Strong |
| Person | Type | Job | Role(s) |
