Courtesy: Tommy Lau

Jon Hamm, Zach Galifianakis, rocker Rick Springfield and the voice actors of Looney Toons have been announced as additions to the 2018 SF Sketchfest lineup.

Other performers announced Thursday include Rachel Bloom, Maria Bamford, Fred Armisen, Louie Anderson, Gina Gershon, Tony Hale and Sherilyn Fenn. The 17th annual comedy and arts festival runs Jan. 11 to 28, featuring more than 200 performances and podcast recordings at venues throughout San Francisco.

• SF Sketchfest Tribute: “Lady Dynamite” with Maria Bamford, Pam Brady, Mo Collins, Fred Melamed, Bruce Smith and more.
• Audible Presents “Stinker Lets Loose! Live!” with Jon Hamm, Busy Philipps, Paul F. Tompkins, John DiMaggio, Andy Richter, Janet Varney, Kevin Pollak, Mark Gagliardi, Eric Martin, Justin Michael, Mark Rozzo and Mike Sacks.
• IFC Comedy Showcase featuring Fred Armisen and Friends.
• Rachel Bloom & Friends.
• Spotlight on “Baskets” with Louie Anderson, Zach Galifianakis, Martha Kelly and Jonathan Krisel.
• The Voices of “New Looney Tunes,” exclusively on Boomerang, with Bob Bergen, Dee Bradley Baker, Jeff Bergman, Matt Craig and Collette Sunderman.
• Lizz Winstead & Laurie Kilmartin, with April Richardson.
• The Allusionist podcast with Helen Zaltzman.
• Rock Solid with Pat Francis and special guest Rick Springfield.
• Worst First Chapter with Ben Acker, Jean Grae, Tony Hale, Travis McElroy, Paul and Storm and  Kirsten Vangsness.
• Brent Weinbach with April Richardson and Luna Malbroux.
• Why Johan Miranda Should Be Deported.
• Sherilyn Fenn added to previously announced Tribute to “Twin Peaks,” joining castmates Dana Ashbrook, Josh Fadem, Harry Goaz, Michael Horse, Matthew Lillard, James Marshall, Kimmy Robertson, Ray Wise and more.
• Tony Hale added to previously announced Spontaneanation with Paul F. Tompkins and Movie Crush with Charles W. “Chuck” Bryant.
• Gina Gershon added to previously announced Celebrity Autobiography.
• Kate Micucci added to previously announced Audible Presents “Dr. Katz: The Audio Files.”
• Maria Bamford added to previously announced Audible Presents Hot Mic with Dan Savage, Set List, and “The Boy in the Plastic Bubble” staged reading.
• Daniel Sloss and Josie Long added to previously announced Best of Edinburgh International Showcase joining Aisling Bea, Phoebe Walsh, Seann Walsh and host Maeve Higgins.

Previously announced performers at SF Sketchfest 2018 include Ricky Gervais, Jane Lynch, Danny McBride, Lewis Black, Dick Cavett, Paul F. Tompkins, Christopher Guest, Julie Benz, David Cross, Jane Kaczmarek and Busy Phillipps.

Tickets to each event can be purchased at the festival’s website.