About this programme
12/24. Leonard's ingenious idea for a new smart-phone app puts pressure on his friendship with Sheldon, who vies with him for control of the project. Comedy, starring Johnny Galecki and Simon Helberg.
Cast and crew
Cast
- Leonard Hofstadter
- Johnny Galecki
- Sheldon Cooper
- Jim Parsons
- Penny
- Kaley Cuoco
- Howard Wolowitz
- Simon Helberg
- Raj Koothrappali
- Kunal Nayyar
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