Matthew Perry wrote a role for Jorge Garcia because he was a huge fan of Lost and of Garcia's character in particular.
The fictional Sunshine Center in San Diego where the series is set, is based on The Forum in Los Angeles, and even has the exact capacity as The Forum (17,505).
Allison Janney and Matthew Perry previously appeared together in three episodes of The West Wing (1999) [Life on Mars (2003), Separation of Powers (2003), and Evidence of Things Not Seen (2003)] and one episode of Studio 60 on the Sunset Strip (2006) [The Disaster Show (2007)].