|First appearance||"The Routine" (episode 1.01)|
|Last appearance||"Capital P" (episode 1.04)|
|Reason/Cause||End of Storyline|
|Date of Conviction||May 14, 1997|
|Relatives|| Jefferson Keane (Brother, deceased)|
Cornelius Keane (Father)
Grace Keane (Sister)
|Episode Count||3 Episodes|
|Portrayed by||Derrick Simmons|
He is initially seen making passes at Dino Ortolani which eventually leads to him stalking Ortolani and following him into the showers where Ortolani severely beats him down.
To avenge his brother, Jefferson sends Johnny Post to kill Ortolani while he is in solitary. When Billie returns from the hospital, he discovers that Jefferson has become a Muslim and isn't accepted by his brother anymore for his homosexuality. Billie is also tranferred to a protective custody unit for gay prisoners as how it is transpired in the storyline.
- Billie is seen in his brother's crime flashback.