Former presidential candidates Ted Cruz, Chris Christie, Scott Walker and Marco Rubio — the latter by video link — are among those set to speak at the Republican National Convention in Cleveland.
Military leaders, members of Congress, actors, faith leaders and family members of presumptive presidential nominee Donald Trump are also set to speak in what the Republican National Committee calls "an unconventional lineup" that will challenge the status quo and press for Trump's agenda.
Here are speaker highlights at the four-day convention at the Quicken Loans Arena:
Theme: Make America Safe Again
Others: Willie Robertson, star of "Duck Dynasty"; Former Texas Gov. Rick Perry; Marcus Luttrell, retired U.S. Navy SEAL; Scott Baio, actor; Pat Smith, mother of Sean Smith, killed in the 2012 attacks in Benghazi, Libya; Mark "Oz" Geist, member of a security team that fought in Benghazi; John Tiegen, member of Benghazi security team and co-author of the book "13 Hours," an account of the attacks; Kent Terry and Kelly Terry-Willis, siblings of Brian Terry, a Border Patrol agent whose shooting death revealed the botched "Fast and Furious" gun-smuggling operation; Antonio Sabato Jr., actor; Mary Ann Mendoza, Sabine Durden and Jamiel Shaw, immigration reform advocates; Rep. Michael McCaul, R-Texas; David Clarke, sheriff of Milwaukee County, Wis.; Rep. Sean Duffy, R-Wis.; Rachel Campos Duffy, LIBRE Initiative for Hispanic economic empowerment; Darryl Glenn, Senate candidate in Colorado; Sen. Tom Cotton, R-Ark.; Karen Vaughn, mother of a U.S. Navy SEAL killed in Afghanistan; Sen. Jeff Sessions, R-Ala.; former New York Mayor Rudy Giuliani; and Jason Beardsley of Concerned Veterans for America.
Theme: Make America Work Again
Others: Sharon Day, co-chairwoman of Republican National Committee; Dana White, president, Ultimate Fighting Championship; Arkansas Gov. Asa Hutchinson; Arkansas Attorney General Leslie Rutledge; former U.S. Attorney General Michael Mukasey; Andy Wist, founder of Standard Waterproofing Co.; Sen. Ron Johnson, R-Wis.; Chris Cox, executive director, NRA Institute for Legislative Action; golfer Natalie Gulbis; Senate Majority Leader Mitch McConnell, R-Ky.; House Speaker Paul Ryan, R-Wis.; House Majority Leader Kevin McCarthy, R-Calif.; New Jersey Gov. Chris Christie.
Theme: Make America First Again
Others: radio host Laura Ingraham; Phil Ruffin, businessman with interests in real estate, lodging, manufacturing and energy; Florida Attorney General Pam Bondi; retired astronaut Eileen Collins; Michelle Van Etten, small business owner; Kentucky state Sen. Ralph Alvarado Jr.; Darrell Scott, senior pastor and co-founder of New Spirit Revival Center Ministries, Cleveland; Harold Hamm, oil executive; Wisconsin Gov. Scott Walker; Lynne Patton, vice president, Eric Trump Foundation; Sen. Marco Rubio, R-Fla. (by video); Sen. Ted Cruz, R-Texas; Callista Gingrich, wife of Newt Gingrich.
Theme: Make America One Again
Others: Brock Mealer, motivational speaker; Rep. Marsha Blackburn, R-Tenn.; Oklahoma Gov. Mary Fallin; Dr. Lisa Shin, owner of Los Alamos Family Eyecare in New Mexico; RNC Chairman Reince Priebus; Jerry Falwell Jr., president of Liberty University and evangelical leader.