Musician and activist Michael "Killer Mike" Render, "And then all Hell Broke Loose" author Richard Engel, actress and comedian Margaret Cho, GOP strategist Ana Navarro, and Bloomberg Business national correspondent Josh Green.

Bill's guests include former Vice President Al Gore, Professor and activist Dr. Cornel West, former Bush communications director Nicolle Wallace, Ralph Reed and John Krasinski.

Bill's guests include actress and comedian Sarah Silverman, Muslim activist Raheel Raza, N.P.R. "All Things Considered" host Ari Shapiro, Rep. Donna Edwards (D-MD), and "Too Dumb to Fail" author Matt Lewis.

Bill's guests include Democratic President Nominee Senator Bernie Sanders (I-VT), elle.com editor-at-large Melissa Harris-Perry, entrepreneur and Trump supporter Wayne Allen Root, Daily Beast columnist Michael Moynihan and "Dilbert" comic strip creator Scott Adams.

Bill's guests include Oscar nominated "Spotlight" actor Mark Ruffalo, Ex-N.S.A. Advisor of Homeland Security Michael Hayden, "The Black Presidency" author Michael Eric Dyson, Cosmopolitan editor-in-chief Joanna Coles and author Fran Lebeowitz.

Bill's guests include financial expert Monica Mehta, The Weekly Standard editor Bill Kristol, "Dark Money" author Jane Mayer, Huffington Post senior politics editor Sam Stein and "Confidence Game" author Maria Konnikova.

Bill's guests include Grammy award-winning musician Esperanza Spalding, Ex-US Rep. & "Frank" author Barney Frank, "Only the Dead" writer/director Michael Ware, "Nun on a Bus" author Sister Simone Campbell, and GOP strategist Rick Wilson.

Bill's guests include "No One Ever Tells You" singer Seth Macfarlane, "Destiny and Power" author Jon Meacham, Rep. Michael McCaul (R-TX), Rep. Alan Grayson (D-FL) and anti-Trump GOP strategist Liz Mair.

Bill's guests include Labor Secretary Thomas Perez, author Max Brooks, radio talk show host & Trump supporter Andy Dean, Demos President Heather McGhee and comedian Kathy Griffin.

Bill's guests include consumer advocate Erin Brockovich, "My Life on the Road" author Gloria Steinem, radio host Armstrong Williams, MSNBC analyst Alex Wagner, and "Thrown Under the Omnibus" author P.J. O'Rourke.

Bill's guests include "Silicon Valley" star Thomas Middleditch, "60 Minutes" icon & author Lesley Stahl, CNN contributor Van Jones, Pulitzer prize-winning New Yorker writer Lawrence Wright, and "The Conservative Manifesto" author Charles Cooke.

Bill's guests include Hayden Planetarium director Neil Degrasse Tyson, "Double Cup Love" author Eddie Huang, Daily Beast editor-in-chief John Avlon, venture capitalist Nick Hanauer, and Reason magazine's Matt Welch.

Bill and his roundtable guests - Xiuhtezcatl Tonatiuh, Betsy Woodruff, Paul Begala, Michael Steele & Larry Wilmore.

Bill's guests tonight include director Rob Reiner, New York Times national correspondent Mark Leibovich, The Polling Company president/CEO Kellyanne Conway, "Listen, Liberal" author Thomas Frank, and Humane Society president/CEO Wayne Pacelle.

Bill's guests include Ex-Rep. Trey Radel (R-FL), syndicated radio host Thom Hartmann, Washington Examiner columnist Kristen Soltis Anderson, medical maverick Dr. Sam Chachoua and "The Big Short" director Adam McKay.

Bill's guests tonight include "Where to Invade Next" director Michael Moore, Ex-US Senator Bob Graham (D-FL), BBC WorldNews anchor Katty Kay, "The Assassination Complex" author Jeremy Scahill, and radio host Jack Hunter.

Bill Maher and his guests – Academy Award winning filmmaker Michael Moore, LGBT activist and author Dan Savage, MSNBC's Joy-Ann Reid, and "Art of the Deal" ghostwriter Tony Schwartz – discuss the 2016 Republican National Convention during this special edition of Real Time.

Bill Maher and his guests: California Lt. Governor Gavin Newsom, Democratic activist Heather McGhee and UC-Berkeley professor Robert Reich - discuss the 2016 Republican National Convention during this special edition of Real Time.

Bill's guests include an interview with Gary Johnson, the panel with Barbara Lee, Ari Melber and mid-show interview with Jim Gaffigan.

The Interview: Frank Luntz. The Panel: Gov. Eliot Spitzer (D), S.E. Cupp, Jelani Cobb. The Mid-Show Intervew: Viggo Mortensen

Bill's guests include "United" author Senator Cory Booker (D-NJ), "The Carmichael Show" star Jerrod Carmichael, Ex-Governor Jennifer Granholm (D-MI), "Superpower" author Ian Bremmer, and National Review executive editor Reihan Salam.

Bill's guests include Oscar winner & "Meddler" star Susan Sarandon, "Sleep Revolution" author Arianna Huffington, Democracy Now! host and executive producer Amy Goodman, MSNBC analyst & Ex-Cruz spokesperson Rick Tyler, and CNN contributor Mary Katharine Ham.

Bill's guest tonight include "Meet the Patels" writer/director Ravi Patel, Ex Colin Powell chief-of-staff Lawrence Wilkerson, "All the Single Ladies" author Rebecca Traister, "Business Insider" senior editor Josh Barro, and "One America" senior political correspondent Emily Miller.

Bill's guests include "Art of Tough" author Senator Barbara Boxer (D-CA), musician Tom Morello, New York Times columnist Andrew Ross Sorkin, MTV news correspondent Ana Marie Cox, and GOP strategist Katie Packer.

Bill's guests tonight include Oscar-nominated actor Bryan Cranston, "Savage Love" columnist Dan Savage, "¡Adios, America!" author and she-witch Ann Coulter, Reason.com editor-in-chief Nick Gillespie, and Cliffside Malibu's Richard Taite.