Trailer
 | Patty Duke as Laura Wilson |
 | David McCallum as Mark Wilson |
 | Dorothy McGuire as Sarah Wilson |
 | Lew Ayres as Dr. Sam Carpenter |
 | Beulah Bondi as Mrs. Medina |
 | James T. Callahan as David Brody |
 | Nelson Olmsted as Kurawicz |
 | Harry Kerwin as Robert (uncredited) |
| Art | |
| Lawrence G. Paull | Art Direction |
Sound | |
| Charles L. Campbell | Supervising Sound Editor |
| Gene Garvin | Sound Mixer |
Camera | |
| Charles F. Wheeler | Director of Photography |
Production | |
| Joe Scully | Casting |
| Charles W. Fries | Executive Producer |
Directing | |
| Delbert Mann | Director |
Production | |
| Delbert Mann | Producer |
Editing | |
| John F. Schreyer | Editor |
Sound | |
| Morton Stevens | Original Music Composer |
Writing | |
| Art Wallace | Writer |
Costume & Make-Up | |
| Fred B. Phillips | Makeup Artist |
Production | |
| Joe Wonder | Production Manager |
Crew | |
| Gary S. Gerlich | Post Production Supervisor |
Sound | |
| Robert J. Litt | Recording Supervision |
| Roger Sword | Sound Editor |
Production | |
| Mort Zarcoff | Associate Producer |
Directing | |
| Malcolm Atterbury Jr. | Script Supervisor |
| Howard Grace | Assistant Director |
Costume & Make-Up | |
| Marie Brown | Costumer |
Art | |
| Ross C. Burke | Property Master |
Lighting | |
| Bill Curtis | Electrician |
Camera | |
| Charles La Rocca | Key Grip |
Editing | |
| Russell C. Nields | Assistant Editor |
