 |
Ricardo Montalban as Dr. Luis Delgado |
 |
José Ferrer as Dr. Alfred Vreeland |
 |
Leslie Nielsen as Official |
 |
Chris Robinson as Ledring |
 |
Katherine Woodville as Barbara Brand |
 |
Lawrence P. Casey as Bob Exeter |
 |
Tom Simcox as Jerry Hollis |
 |
Curt Lowens as Ehrlich |
 |
Austin Stoker as Bogan |
 |
Phil Philbin as First Technician |
 |
Dan Chandler as Sonar Man |
|
Ted Swanson as Aide |
 |
Myron Natwick as First Reporter |
|
Harlan Warde as Second Reporter |
|
Elisa Ingram as Jean Hollis |
|
Joan Murphy as Norma |
|
William Evenson as Jim Morgan |
| Camera | Jordan Klein Sr. | Camera Operator |
| Production | Ivan Tors | Producer |
| Crew | Clifford H. Poland Jr. | Cinematography |
| Sound | Gordon Zahler | Music Director |
| Camera | Ricou Browning | Other |
| Costume & Make-Up | Dyke Davis | Costume Design |
| Sound | Jeff Bushelman | Sound Editor |
| Sound | Lalo Schifrin | Music |
| Editing | Erwin Dumbrille | Editor |
| Writing | Ivan Tors | Story |
| Art | Eugene Harris | Art Direction |
| Writing | Leslie Stevens | Writer |
| Writing | Alan Caillou | Story |
| Directing | Don McDougall | Director |
| Writing | Winston Miller | Writer |
