Maya Ritter as Molly McIntire

David Aaron Baker as Dr. James McIntire

Tory Green as Emily Bennett

Sarah Manninen as

Genevieve Farrell as Jill McIntire

Molly Ringwald as Helen McIntire

Andrew Chalmers as Ricky McIntire

Alex Steele as Jane

Thomas Brodie-Sangster as Boy in spelling bee

Samantha Somer Wilson as Linda Rinaldi

Hannah Fleming as Susan Shapiro

Josette Halpert as Alison Hargate

Sarah Orenstein as Mrs. Gilford

Eliza Jane Scott as Miss Lavonda

Amy Stewart as Aunt Eleanor

Mary Frances Moore as Miss Littlefield

Elva Mai Hoover as Miss Shaw

Geri Hall as Mrs. Taft

Bradley Reid as Billy Morgan

Joe Sacco as Lt. Tom Davies

Keith Knight as Principal Stevens

Landon Norris as Tim Rutledge

Dana Gould as Pageant Boy

Luke Muirhead as Delivery Boy

Jason Spevack as Boy Speller

Sean Wayne Doyle as Conductor

Hanna Cowie as Tap Girl #1

Amanda Finelli as Tap Girl #2

Roxanne Hummel as Tap Girl #3

Stephanie Troyak as Tap Girl #4

Jordana Mirsky as Tap Girl #6

Chelsea Stowe as Tap Girl #7

Natasha Crombie as Tap Girl #8

Jerri-lynne Smith as Tap Girl #9