Sept. 2, 1960
Sept. 2, 1960
| Producers | |
| Original title | Le bal des espions |
| Directors | Michel Clément, Umberto Scarpelli |
| Writers | Michel Clément, Jean Bruce, Daniel Boulanger |
as Brian Cannon
as Olivia
as Flora
as Olivia's brother
as Zarkho Solin
as Ernst Schenker