70s, starring  Diana Ross (I) (qv) and Steve McQueen (I) (qv), but was rejected  as "too controversial". The film concept was to be attempted again  in the late 1970s, with Ryan ONeal (qv) and Diana Ross (I) (qv)  cast as the leads. The project fell through after only a few months  because of irreconcilable differences between ONeal and Ross, who  had been dating.