The actors in the Polish troupe had to prevent Prof.Alexander Siletsky (Stanley Ridges), a traitorous imposter and Nazi spy sent from England, from delivering names of Resistance family members (of Polish airmen in the RAF) to the Gestapo.At an outdoor sidewalk cafe after ordering coffee, a meal and smokes, a ragged Mexican beggar boy (a young Robert Blake) tries to sell Dobbs another lottery ticket, but he turns surly and irritable.It was he who would chance the perilous journey through blistering cold and scorching desert traveling for many days and nights, risking life and limb to reach the Dragon""s keep.A swing-away marble shelf or platform positioned across the marble sides of the ub holds his typewriter and hides his nudity.The theme of an innocent and confused youth who is exploited, mis-directed, seduced (literally and figuratively) and betrayed by a corrupt, decadent, and discredited older generation (that finds its stability in "plastics") was well understood by film audiences and captured the spirit of the times.