Jim Parsons as Michael Ausiello

Ben Aldridge as Kit Cowan

Sally Field as Marilyn

Bill Irwin as Bob

Josh Pais as Scott

Antoni Porowski as Sebastian

Nikki M. James as Nina

Jeffery Self as Nick

Tara Summers as Mrs. Ausiello

Winslow Bright as Kelly Roswell

Allegra Heart as Franny

Sadie Scott as Kirby

Scott Burik as Taxi Driver

Supriya Ganesh as Make-Up Artist

Eleni Yiovas as Night Nurse

Shunori Ramanathan as Dr. Lucas

Kate Pittard as Candace Baker

Paco Lozano as Judge

Christine Renee Miller as Ruth

Erica Cho as Dr. Vogt

Brody Caines as Young Michael