An actor, a media mogul, a former vice-president and a Russian opposition politician are among the men and women chosen to be pallbearers at Sen. John McCain’s funeral this weekend.

McCain, who died last Saturday of brain cancer, will be laid to rest this weekend in Annapolis, Maryland, at the U.S. Naval Academy.

Among those chosen to serve as pallbearers are actor Warren Beatty, Michael Bloomberg, former Vice President Joe Biden and Vladimir Kara-Murza, a Russian politician who opposes Russian President Vladimir Putin.

"I was speechless and heartbroken, close to tears at that moment," Kara-Murza told Politico of being asked to be a pallbearer for McCain. "I said yes, of course, and that it would be the most heartbreaking honor that anyone could think of."

On Saturday, a memorial service will be held at the National Cathedral in Washington, D.C.

The other pallbearers set to take part in that ceremony include former Secretary of Defense William Cohen, businessman Stephen Dart, former McCain campaign director Richard Davis, fundraiser Carla Eudy, former Sens. Russ Feingold, Phil Gramm and Gary Hart, former Pennsylvania Gov. Tom Ridge, McCain’s former chief of staff Mark Salter, FedEx president Fred Smith and Sen. Sheldon Whitehouse (D-R.I.).

In addition to family members, readings and tributes will come from:

Former President George W. Bush

Former President Barack Obama

Sen. Lindsey Graham, (R-South Carolina)

Former Secretary of State Henry Kissinger

Former Sen. Joseph Lieberman (I-Connecticut)

Former Sen. Kelly Ayotte (R-New Hampshire)

BEVERLY HILLS, CA - OCTOBER 1:  (L to R) Actress Annette Bening, Sen. John McCain (R-AZ), actor Warren Beatty and honoree Cindy MaCain pose at Operation Smile's  4th Annual Los Angeles Gala at the Regent Beverly Wilshire Hotel on October 1, 2005 in Beverly Hills, California. Beatty has been chosen to be one of McCain’s pallbearers.  (Photo by Kevin Winter/Getty Images)

Credit: Kevin Winter

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Credit: Kevin Winter

What You Need to Know: John McCain's Funeral