The Crazy Cats, a Japanese musical-comedy group, were showcased a series of comic adventures throughout the 1960s. Las Vegas Free-For-All, one of their most popular movies, featured scenes filmed on location in Las Vegas, Los Angeles, and Hawaii. Appearing with the seven Cats were the lovely Mie Hama and such Japanese musical artists as The Peanuts, The Johnnys, The Drifters, and Jackie Yoshikawa & the Blue Comets.
| Directing | Takashi Tsuboshima | Director |
| Writing | Ryōzō Kasahara | Writer |
| Writing | Yasuo Tanami | Writer |
| Sound | Hiroaki Hagiwara | Music |
| Sound | Hiroshi Miyagawa | Music |
| Editing | Ume Takeda | Editor |
| Art | Kazuo Takenaka | Production Design |
| Art | Kazuo Satsuya | Art Direction |
| Production | Takeharu Shimada | Executive In Charge Of Production |
| Directing | Masao Asano | Assistant Director |
| Directing | Masaaki Hisamatsu | Third Assistant Director |
| Crew | Kyuichi Higuchi | Propmaker |
| Sound | Kanae Masua | Sound Recordist |
| Sound | Teiichi Saitô | Sound |
| Sound | Hisashi Shimonaga | Sound Effects Editor |
| Sound | Noboru Yoshioka | Sound |
| Crew | Akira Fujita | Special Effects |
| Lighting | Shinji Kojima | Lighting Technician |
| Lighting | Shin'ichi Ôno | Lighting Technician |
| Production | Shin Watanabe | Executive Producer |
| Camera | Shōji Utsumi | Director of Photography |