It was originally commissioned by producer
Oscar Lewenstein, then a director of Woodfall, as one third of a 'portmanteau' feature entitled
Red, White and Zero, with sections supplied by
Lindsay Anderson,
Tony Richardson and
Karel Reisz Reisz dropped out with his section becoming Brook's
Ride of the Valkyrie. The two other planned sections of the film developed into what became Richardson's
Red and Blue and Anderson's
The White Bus. Of these, only
The White Bus received a theatrical release in the UK. ==References==