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