| Bernhard Merivale |
– Playwright |
| Peggy Wells |
– Adapted by (for radio) |
| Hans Heiberg |
– Translation |
| Jens Gunderssen |
– Direction |
| Stig Egede-Nissen |
– Actor (Pewson) |
| Astrid Folstad |
– Actor (Lady Deardon (Yvonne)) |
| Tore Foss |
– Actor (Kriminalkommissær William Mason (Bill)) |
| Olafr Havrevold |
– Actor (Sir Francis Deardon (Frank)) |
| Arne Lie |
– Actor (Kriminalassistent Wallace) |
| Ragnhild Michelsen |
– Actor (Lady Henningway) |
| Jon Lennart Mjøen |
– Actor (Kriminalbetjent Atkins) |
| Fridtjof Mjøen |
– Actor (Forsvareren) |
| Folkman Schaanning |
– Actor (Dommeren) |
| Nanna Stenersen |
– Actor (Diana Lewis) |
| Carl Struve |
– Actor (Lord Henningway) |
| Carsten Winger |
– Actor (Sir Thomas Grainger) |
| Per Christensen |
– Shadow play (Metcalfe) |
| Jan Ivar Hansen |
– Technical direction |
