Peter Butterworth beyond the camp grounds. He was subsequently sent to Stalag Luft III, near Sagan, the scene of "The Great Escape". Whilst at Stalag Luft III he met Talbot Rothwell, who later went on to write many of the Carry On films in which Butterworth was to star. Rothwell and Butterworth formed a duet and sang in the camp shows, where booing and catcalls covered the sounds of an escape tunnel being dug by other prisoners. Butterworth was one of the vaulters covering for the escapers during the escape portrayed by the book and film "The Wooden Horse". Butterworth later auditioned
Stalag III-D and RL 128 at Bieldorf. Prisoners of Stalag III-D were also housed in a number of sub-camps ("Zweiglager"), designated Stalag III-D/Z: Two further sub-camps; Stalag III-D/999 in Zehlendorf West, Berlin, and Stalag III-D/517 at Genshagen, Ludwigsfelde, were created in May–June 1943 as "Holiday Camps", offering better living conditions, and a steady diet of propaganda, in an attempt to persuade prisoners into joining the British Free Corps. The Germans particularly sought out former members and sympathizers of the British Union of Fascists, but the attempt was largely a failure with the unit never numbering more than about 30 men at any