Kravits attended Colonel Zadok A. Magruder High School.
His film credits include The Stepford Wives and Sweet November. Kravits has served more often as a television guest star. He can be seen in episodes of shows such as Friends; Law & Order: Special Victims Unit; Everybody Loves Raymond; Yes, Dear; Gilmore Girls; Blue Bloods; Law & Order and Harry's Law. He also performed in the Broadway show The Drowsy Chaperone with his brother Garth Kravits and in Relatively Speaking. In spring 2016, Kravitz performed at New York City's Duplex in Off the Top, his solo improv cabaret. He got his start playing Lolo Knopke on the short-lived 1982 PBS series Powerhouse
He played the District Attorney Richard Bay in the Emmy Award-Winning drama Series The Practice from 1999 to 2001. After almost three years of being a nemesis to the firm who would stop at nothing to get a conviction, his character was gunned down by associates of a man he successfully prosecuted.
In 2000, he was a regular panelist on the Oxygen Network revival of I've Got a Secret.
In the early 1990s, he was a company member at Round House Theatre in Silver Spring, Maryland. He was also a counselor at Green Acres Camp in Rockville, Maryland, where he played guitar and performed skits for campers.
In 1986, he founded the University of Maryland's first improv theater group Erasable Inc.