She is known for being extremely distant. As a self-proclaimed free spirit, she tends to do what she wants and is often absent. However, in her time of need she does approach Ryan for his help. She also has the ability similar to Ryan's to see her cat, Mittens, as a woman in a cat suit.
- The reason Catherine was recast in season four was due to Steenburgen's unavailability to film due to conflicting schedules.