Alisha Wainwright plays as Nicole Warren in Raising Dion.
Alisha Wainwright is the top #1 member of the cast and appears in 9 episodes.

Ja'Siah Young plays as Dion Warren in Raising Dion.
Ja'Siah Young is the top #2 member of the cast and appears in 9 episodes.

Jason Morgan Ritter (born February 17, 1980) is an American actor, son of the late actor John Ritter and actress Nancy Morgan. Ritter is probably best known for his role as Kevin Girardi in the television series Joan of Arcadia and as Sean Walker in the NBC series The Event. Description above from the Wikipedia article Jason  Ritter, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Jason Ritter plays as Pat in Raising Dion.
Jason Ritter is the top #3 member of the cast and appears in 9 episodes.

Gavin Munn plays as Jonathan in Raising Dion.
Gavin Munn is the top #4 member of the cast and appears in 9 episodes.