Richard Burton ,

Clint Eastwood ,

Mary Ure ,

Patrick Wymark ,

Michael Hordern ,

Donald Houston ,

Peter Barkworth ,

William Squire ,

Robert Beatty ,

Brook Williams ,

Jerry Gershwin Productions ,

Elliott Kastner Productions ,

Winkast Film Productions ,

Gershwin-Kastner ,

Metro-Goldwyn-Mayer ,