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.
| Writing | Yasuo Tanami | Writer |
| Editing | Ume Takeda | Editor |
| Sound | Kanae Masua | Sound Recordist |
| Crew | Akira Fujita | Special Effects |
| Lighting | Shinji Kojima | Lighting Technician |
| Sound | Hiroshi Miyagawa | Music |
| Art | Kazuo Satsuya | Art Direction |
| Directing | Takashi Tsuboshima | Director |
| Crew | Kyuichi Higuchi | Propmaker |
| Directing | Masaaki Hisamatsu | Third Assistant Director |
| Writing | Ryōzō Kasahara | Writer |
| Lighting | Shin'ichi Ôno | Lighting Technician |
| Art | Kazuo Takenaka | Production Design |
| Sound | Noboru Yoshioka | Sound |
| Directing | Masao Asano | Assistant Director |
| Sound | Hiroaki Hagiwara | Music |
| Sound | Teiichi Saitô | Sound |
| Sound | Hisashi Shimonaga | Sound Effects Editor |
| Production | Takeharu Shimada | Executive In Charge Of Production |
| Production | Shin Watanabe | Executive Producer |
| Camera | Shōji Utsumi | Director of Photography |