What a Difference a Day Makes

Summary

As Meredith, Derek and all of their friends prepare for the big wedding, a group of college students, injured in a car crash as they were heading to their graduation ceremony, is admitted to the ER. Meanwhile, Izzie fears the worst when she begins experiencing familiar symptoms.

Guest stars

• Jessica Capshaw as Arizona Robbins
• Mac Brandt as Paramedic
• Mark Saul as Steve
• Candice Afia as Intern Laura
• Jeffrey Dean Morgan as Denny Duquette
• Payton Silver as Dr. Knox
• Molly Kidder as Intern Megan
• Joe Williamson as Intern Pierce
• Winston Story as Intern Leo
• Amrapali Ambegaokar as Intern Dani