Pictured: Casting directors Katja Zarolinski and Geoff Josselson of Jz Casting.

This article first appeared as part of Jenelle Riley’s Acting Up newsletter – to subscribe for early content and weekly updates on all things acting, visit the Acting Up signup page.

Casting director Geoff Josselson just checked off a major bucket list item. When he was asked what show he dreamed of casting, he would say “Into the Woods.” And just last year, working with Telsey Casting, Josselson was part of the team that assembled the heralded Broadway revival starring Sara Bareilles, Brian D’Arcy James and Joshua Henry. Josselson is on a bit of a Stephen Sondheim spree — with Telsey he also helped cast the new production of “Sweeney Todd,” starring Josh Groban and Annaleigh Ashford. And he and his partner at Jz Casting, Katja Zarolinski, just collaborated for the first time with the Pasadena Playhouse to cast “A Little Night Music,...