Began studying the performing arts at the Actor's Mobile Theater Studio

Made professional debut in title role of "Othello"

Film debut, Richard Roemer's "Nothing But a Man"

Received raves for his role in William Wyler's "The Liberation of L.B. Jones"

Feature directing debut, "The Limit" (also produced and starred in this movie written from his story)

Played the drug-dealing nemesis of Roger Moore's 007 in "Live and Let Die"

Portrayed Idi Amin in the acclaimed NBC TV-movie, "Raid on Entebbe"; received an Emmy nomination for Outstanding Performance by a Supporting Actor

Portrayed a doomed crewmember in "Alien"

First regular series role in the short-lived NBC drama "Love and Honor"

Cast as an inept FBI lead man in "Midnight Run" co-starring Robert De Niro and Charles Grodin

Starred in the Washington, DC and London stage productions of the acclaimed August Wilson play, "Fences"

Played Lieutenant Al Giardello in the popular NBC series "Homicide: Life on the Street"; also scripted an episode

Had another turn as an FBI agent in "Two if by Sea" starring Sandra Bullock and Denis Leary

Published Royalty, an autobiography linking him to the British royal family

Cast in the comedy "Witless Protection" starring Larry The Cable Guy