Montaggio

• Lester A. Sansom — editor
• Stanley Rabjohn — editor

Produzione

• William A. Calihan Jr. — producer
• Walter Mirisch — executive producer

Regia

• Lesley Selander — director

Sonoro

• Marlin Skiles — original music composer

Sceneggiatura

• Shimon Wincelberg — writer

Fotografia

• Harry Neumann — director of photography

Cast

• Sterling Hayden — Steve
• J. Carrol Naish — Bruno
• Joy Page — Nina
• Kenneth Tobey — George
• Frank De Kova — Benedetto
• Paul Fierro — Don Gaetano
• Maurice Jara — Ettore
• Tony Dante — Mario
• David Leonard — Father Paola
• James Flavin — Col. Allison
• Harry Lauter — Lt. Duncan
• Jeffrey Stone — Lt. Gross
• David Bond — Priest
• Louis Lettieri — Boy
• Anthony Caruso — Aldo