As they drove along, they passed by a trio of musical buskers playing spoons on the sidewalk (one of whom was director Polanski!).When retiring for the evening, there was a brief romantic scene of confrontational dialogue between Indy and Willie (involving "mating customs, love rituals, primitive sexual practices") before an assassin (Pat Roach) intruded and unsuccessfully attempted to strangle Indy.McClane confirmed, from investigating the roof, that Gruber had set it to be detonated with C4 explosives - and radioed Powell to warn him of the double-cross: "The whole roof of the building is wired to." Although they had seen Earth""s destruction, they had barely escaped through a time warp: "We have passed through a backward disturbance in time.