Farewell Mister Grock (French: Au revoir M. Grock, German: Manege frei) is a 1950 French–West German comedy drama film directed by Pierre Billon and starring Grock, Suzy Prim and Charles Lemontier. It is in the tradition of circus films. It was shot at the Francoeur Studios in Paris and on location at the Cirque Medrano and the Théâtre Pigalle in the city as well as around Lake Constance on the Swiss-German border. The film's sets were designed by the art directors Max Mellin and Serge Piménoff. It is also known by the alternative title Clear the Ring.