From the last time we saw Anna, Elsa, Kristoff, and Olaf, they had just gotten their lives together, Elsa was to become queen and Anna was to build a relationship with Kristoff. As for Olaf, well, in summer, he was to melt into a puddle. In the start of Frozen 2, Olaf is alive and well. Kristoff and Anna are building a relationship together.
As for the cast, each member has had their own projects. Let’s start with the sisters, shall we. Kristen Bell, who plays Anna, has starred in many things including Veronica Mars, Frozen Fever and Zootopia. As for Idina Menzel, she has been in Frozen Fever, Olaf’s Frozen Adventure, and Ralph Wrecks the Internet since Frozen. Next is the always lovable Olaf played by the great Josh Gad. Since Frozen, Josh has starred in Beauty and the Beast and Pixels since Frozen. The final character in the movie is Kristoff played by the magnificent Jonathon Groff. Since Frozen, Jonathon has starred in Russian Broadway Shut Down, Frozen Fever and Olaf’s Frozen Adventure.