Jason Ritter is best known to television audiences for his role as Kevin Girardi in the CBS drama "Joan of Arcadia." His other television credits include "Hack," "Law & Order" and "Law & Order: Special Victims Unit," as well as a role in the movie "The Dreamer of Oz." Ritter has appeared in the feature films "Mumford," "Happy Endings" and "Freddy vs. Jason." Ritter portrays Ethan in the TV Sitcom "The Class." Ethan L. Haas is head-over-heels in love with his fiancé, Joanne (Kasey Wilson), for whom he has planned the ultimate surprise party: a reunion with their third grade classmates to celebrate the 20th anniversary of the day they met. However, Joanne felt he was smothering her and left. He is a pediatrician with a golden retriever, like his ex-fiancé.