Cheryl Burke

Emmy-winning Choreographer, Reality TV Star, Advocate

Marcus Buckingham

Performance Analyst; Best-selling Author; Two decades as a Senior Researcher at Gallup Organization

Tanya Brown

Mental Health & Domestic Violence Prevention Advocate

Erin Brockovich

Famous Environmental Activist; Consumer Advocate & Bestselling Author; Groundwater Contamination Expert & Victim Advocate

Erin Brockovich Joins Doc 'Unearth' as Exec Producer (EXCLUSIVE)

Jeff Bridges

Golden Globe & Academy Award-Winning Actor & Producer

Beau Bridges

Award-Winning Actor; "The Descendants"

Toni Braxton

Grammy Award-Winning Singer-Songwriter; TV Personality & Heart Disease Survivor

Wayne Brady

TV Personality, Comedian & Actor

Pat Boone

Singer, Actor, TV host, Producer, Songwriter, Author, Motivational Speaker, Radio Personality, Record Company Head & Humanitarian

Alexis Bledel

Actress Known For "Gilmore Girls" & "The Sisterhood of the Traveling Pants"

Billy Blanks

Martial Artist, Actor, Creator of Tae Bo Exercise Programs

Jessica Biel

Actress, Producer & Author, "A Kids Book About Periods"; "Co-Founder of Make the Difference Network & Global Water Quality Activist

Halle Berry

Academy Award-Winning Actress, Producer & Philanthropist; Women's Health Advocate

Halle Berry - TIME100 Health Panel

Adriane Berg

Mature Market Travel & Lifestyle Expert; Authority on Successful Aging & The Boomer Generation

Noah BenShea

International Best-Selling Author and Modern-Day Philosopher

Maurice Benard

Emmy Award-Winning Actor Known for "General Hospital", Podcast Host of "State of Mind with Maurice Benard" & Advocate for Bipolar Disorder

Jim Belushi

Actor, Comedian & Musician

Bill Bellamy

Comedian and Actor best known for Russell Simmons' Def Comedy Jam

Kristen Bell

Actress Best Known for "The Good Place," "Veronica Mars," "Frozen" & "Nobody Wants This"

Adam Brody and Kristen Bell Take The Co-Star Test

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor