- Bo Burnham
- Bo Derek
- Bo Goldman
- Bo Hopkins
- Bo Svenson
- Boaz Davidson
- Bob Balaban
- Bob Clark
- Bob Dishy
- Bob Dylan
- Bob Fosse
- Bob Gale
- Bob Geldof
- Bob Gunton
- Bob Hope
- Bob Hoskins
- Bob Kane
- Bob Kortman
- Bob Marley
- Bob Minor
- Bob Odenkirk
- Bob Peck
- Bob Peterson
- Bob Rafelson
- Bob Saget
- Bob Sapp
- Bob Steele
- Bob Stephenson
- Bobb'e J. Thompson
- Bobby Campo
- Bobby Cannavale
- Bobby Darin
- Bobby Di Cicco
- Bobby Driscoll
- Bobby Farrelly
- Bobby Lee
- Bobby Moynihan
- Bobby Rhodes
- Bodil Jørgensen
- Bodil Kjer
- Bojana Novakovic
- Bokeem Woodbine
- Bokuzen Hidari
- Bolek Polívka
- Bolo Yeung
- Boman Irani
- Boni
- Bonita Granville
- Bonnie Bartlett
- Bonnie Bedelia
- Bonnie Hunt
- Bonnie Somerville
- Bono
- Bontarô Miake
- Booboo Stewart
- Borden Chase
- Boris Casoy
- Boris Karloff
- Boris Kodjoe
- Boris Sagal
- Borivoj Navrátil
- Bouli Lanners
- Boyd 'Red' Morgan
- Boyd Gaines
- Boyd Holbrook
- Bozidar Smiljanic
- Brad Anderson (I)
- Brad Bird
- Brad Davis
- Brad Dourif
- Brad Garrett
- Brad Johnson
- Brad Leland
- Brad Peyton
- Brad Pitt
- Brad Renfro
- Brad Rowe
- Brad Savage
- Brad Sullivan
- Brad Weston
- Brad William Henke
- Bradford Dillman
- Bradley Cooper
- Bradley Whitford
- Brady Coleman
- Brady Corbet
- Bram Stoker
- Brandon De Wilde
- Brandon Hurst
- Brandon Lee
- Brandon Maggart
- Brandon Routh
- Brandon T. Jackson
- Branscombe Richmond
- Bráulio Mantovani
- Braz Chediak
- Bre Blair
- Breck Eisner
- Breckin Meyer
- Bren Foster
- Brenda Blethyn
- Brenda Bruce
- Brenda Fricker
- Brenda Marshall
- Brenda Song
- Brenda Strong
- Brenda Vaccaro
- Brendan Coyle
- Brendan Fletcher
- Brendan Fraser
- Brendan Gleeson
- Brendan Sexton III
- Brennan Elliott
- Brent Briscoe
- Brent Spiner
- Brenton Thwaites
- Bresha Webb
- Bret Easton Ellis
- Brett Cullen
- Brett Davern