Shantira Jackson is a cast member of the current Second City Mainstage, and she also performs with Chicago's hottest improv group, 3Peat, at iO Chicago. Jimmy sits down and talks to her about leaving journalism for comedy, what she is trying to get across to the audience when she's performing, and her incredible work ethic.

Will Hines has taught and performed improv at UCB NY and LA since 2000. He is the author of the new book How To Be The Greatest Improviser On Earth. Jimmy talks to him about the importance of bringing your real self to improv, how to become brave on stage, and living through the improv rut.

Bob Kulhan is the author of the new book "Getting to Yes And: The Art of Business Improv." He is an incredible improviser and teacher who was a core faculty member at The Second City Training Center in Chicago and co-founder of the uber musical group Baby Wants Candy. Jimmy talks to him about how he was influenced by improv teacher Martin DeMaat, the early years of musical improv, and how he fell into teaching improv for business.

Bill Arnett is one of Chicago's most respected improvisers, teachers and directors. He has played with such groups as People of Earth, 3033 and Armando. He is the founder of The Chicago Improv Studio and the author of the new book, The Complete Improviser. He is back on the podcast to discus his new book, how to play more real, and his take on the traditional improv rules. This is a master class in improv, so listen and learn.

Colin Mochrie is best known as a regular on both the American and British versions of Whose Line Is It Anyway?, which has inspired an entire generation of improvisers. In this episode, Colin sits down with Jimmy at the Genesee Theatre in Waukegan, IL, and talks about starting out in Theatresports in Canada, how he dealt with the censors on Whose Line and what he really feels about all the bald jokes.

Brad Sherwood is a regular on Whose Line Is It Anyway? He was also on the British version of Whose Line for three seasons and has tons of TV credits including many appearances on The Tonight Show and hosting The Dating Game. Jimmy caught up with Brad before his two-person improv show with Colin Mochrie at The Genesse Theater in Waukegan, IL, and talked to Brad about confidence as improviser, being on Whose Line and a time he bombed doing improv.

Sam Bennett is the author of the new book Start Right Where You Are, about how little changes can make a big difference in achieving our goals. She's also an actor who has performed and taught at The Second City in Chicago. Jimmy talks to her about ways improvisers can get unblocked, the importance of self care, and how to deal with the fear of success.

Jonathan Pitts is the executive director of the Chicago Improv Festival, which he founded 20 years ago. In this interview, Jimmy gets an Improv Nerd exclusive -- Jonathan tells Jimmy what he's going to do after this year's festival -- and they talk about how Chicago has been able to stay relevant as an improv mecca and Jonathan's experience working with David Shepherd.

Jimmy sits down with producer Dan Schiffmacher and director Sam Bowers to pick their favorite moments of the year and give you behind the scenes stories. Plus Dan and Sam give you their favorite "Jimmy moment" of 2016.

Ron West is an actor, writer and director. A longtime director at The Second City in Chicago, Detroit, Cleveland and LA, Ron also worked as a consultant on "Whose Line is It Anyway?" and has had numerous TV and film credits, including on "Third Rock from the Sun." Jimmy talks to him about how he uses improv to help in writing, what he learned from Bernie Sahlins and why "Whose Line" works on TV.