The film was made for a budget of about $1.8 million, but it became Billy Wilder""s first major financial box-office disaster since he began a long string of hits beginning in the early 1940s."The film ended with a park ceremony to welcome back Uncle Dave, after his recovery, and to announce a new park animal character, named after Axel -- Axel Fox." At the start of the lesson, she begrudgingly suggests: "You must learn to walk first.Now start with your right foot, please." He deliberately and sadistically steps out with his left foot to heighten her irritation and annoyance with him.[Note: This was he first of many such sudden and fateful intrusions of the gangster into the life of Marlowe.] His display of the visas insinuates that he killed the German couriers.His plan is to sell them and make a fortune - "more money than even I have ever dreamed of." Chain-smoking nervously, small-time operator Ugarte trusts only Rick and explains his criteria with an ironic compliment: "You know Rick, I have many a friend in Casablanca, but somehow, just because you despise me you are the only one I trust.