A girl sits atop her father’s shoulders, arms raised, chanting, “Hands up, don’t shoot,” during a peaceful demonstration in response to the fatal shooting of Michael Brown in Ferguson, Mo. (Lucas Jackson/Reuters)

The Aug. 9 shooting of 18-year-old Michael Brown has resulted in an expanding cast of prominent lawyers, celebrities and other notable figures who have peripheral roles in the investigation of — or response to — the death of the unarmed black teenager.

Here are a few names you might notice in the days and weeks to come.

Benjamin Crump

An attorney who represented the family of 17-year-old Trayvon Martin, Crump is now working with the family of Michael Brown, along with his legal partner Daryl Parks and St. Louis attorney Anthony Gray. (USA Today)

Freeman Bosley Jr.

An attorney and St. Louis’ first black mayor, Bosley has been retained by Dorian Johnson, the friend who was with Michael Brown when he was fatally shot by officer Darren Wilson. As mayor, Bosley was defeated after one term. He then went into private practice where, last year, he was investigated for professional misconduct for mishandling clients’ funds. (St. Louis Post-Dispatch)

Michael Baden
The “celebrity” medical examiner was reportedly hired by Michael Brown’s family to perform an independent autopsy. Baden — New York City’s former chief medical examiner — also hosted HBO’s “Autopsy,” and has consulted on several high-profile cases, including investigations into the deaths of John Belushi and civil rights leader Medgar Evers. (Time)

Jack Dorsey

The co-founder of Twitter is a native of St. Louis. He traveled to Ferguson to participate in marches for Brown, and has posted dispatches and video from various protests on his Twitter account. (L.A. Times)

Jesse Williams

The “Grey’s Anatomy” actor is also a board member for Advancement Project, a civil rights organization focusing on voting rights and policy change. Williams has appeared on news shows, speaking about Brown’s death and law enforcement’s treatment of black youths. (CNN)

Related: Who is Antonio French, the alderman providing updates from Ferguson?