Given the chance to live in a simulated underwater home for a month, a scientist convinces his family to take advantage of the offer. Once the family agrees to move in, underwater mayhem occurs!
Unfortunately the movie Hello Down There is not yet available on Disney Plus.
| Directing | Jack Arnold | Director |
| Writing | Art Arthur | Story |
| Writing | John McGreevey | Writer |
| Writing | Frank Telford | Writer |
| Writing | Ivan Tors | Story |
| Production | George Sherman | Producer |
| Production | Ivan Tors | Producer |
| Sound | Jeff Barry | Original Music Composer |
| Camera | Clifford H. Poland Jr. | Director of Photography |
| Editing | Erwin Dumbrille | Editor |
| Art | Jack T. Collis | Art Direction |
| Art | Don K. Ivey | Set Decoration |
| Costume & Make-Up | Irene Aparicio | Hairstylist |
| Costume & Make-Up | Guy Del Russo | Makeup Supervisor |
| Costume & Make-Up | Marlana May | Makeup Artist |
| Production | William P. Owens | Unit Production Manager |
| Directing | William C. Gerrity | Assistant Director |
| Directing | Nat Holt Jr. | Second Assistant Director |
| Sound | Leonard Davison | Sound Effects Editor |
| Camera | Oscar Barber | Camera Operator |
| Camera | Lamar Boren | Underwater Director of Photography |
| Camera | Jordan Klein Sr. | Underwater Camera |
| Lighting | Walter G. Morris Jr. | Gaffer |
| Camera | James Pergola | Camera Operator |
| Sound | Gordon Zahler | Music Supervisor |
| Directing | Ricou Browning | Second Unit Director |