John Hillerman (Jonathan Higgins) is an American actor whose character is British, and Angela Lansbury (Jessica Fletcher) is a British actor whose character is American.
Larry Manetti stated that he did not enjoy working with Angela Lansbury, as she couldn't be bothered talking to him during filming. Larry got the vibe that Angela felt she was "above" him.
John McMartin's (Jason Bryan) second appearance in the series. He previously portrayed Bill Campbell in Rembrandt's Girl (1984).