Mary-Kate Olsen. Mary-Kate Olsen was 8 in The Adventures of Mary-Kate & Ashley: The Case of the SeaWorld Adventure as 'Mary-Kate'.
Ashley Olsen. Ashley Olsen was 8 in The Adventures of Mary-Kate & Ashley: The Case of the SeaWorld Adventure as 'Ashley'.
William R. Moses. William R. Moses was 35 in The Adventures of Mary-Kate & Ashley: The Case of the SeaWorld Adventure 
Tracy Nelson. Tracy Nelson was 31 in The Adventures of Mary-Kate & Ashley: The Case of the SeaWorld Adventure 
Neal Israel. Neal Israel was 49 in The Adventures of Mary-Kate & Ashley: The Case of the SeaWorld Adventure as 'Director, Teleplay'
Arnold Margolin. Arnold Margolin was >> in The Adventures of Mary-Kate & Ashley: The Case of the SeaWorld Adventure as 'Screenplay, Story'