Sheldon's cancer has him navigating around his loving, but very dysfunctional family, providing comic relief as he follows his life's passion for photography. Left at the alter, he begins to realize that he's been in love with his best friend Elizabeth, since childhood. A race against time, "Developing Sheldon" asks "Is it ever too late to find true love?"
| Actor | Role |
|---|---|
 Ryan GaulSheldon | Sheldon |
| LLinda AmendolaElizabeth | Elizabeth |
| BBobby DiVitoRobbie | Robbie |
| MMonica FarringtonSylvia Wexler | Sylvia Wexler |
| DDavid IanMurray Wexler | Murray Wexler |
 JoJoYoung Elizabeth | Young Elizabeth |
| KKevin Foster McCarthyFred - Camera Store Owner | Fred - Camera Store Owner |
| TTom SeilerRabbi | Rabbi |
| CCynthia TocciCarol | Carol |
| KKaren WallingfordTammie | Tammie |