Watch a video of Erika Henningsen and Jonathan Groff singing 'Irresistible You' from Just In Time on Broadway! Groff stars are Bobby Darin in the musical, with Henningsen as Sandra Dee.

On September 18, the cast of Broadway's Just in Time, led by Jonathan Groff, took the stage on The Tonight Show for a special performance. Groff, who plays Bobby Darin, performed "Mack the Knife." The ...

In Alex Timbers’ new musical “Just in Time,” audience members are transported into the jukebox world of American singer Bobby Darin (Jonathan Groff), who rose to success from a teen idol to an ...