Born in Long Branch, New Jersey, Blumenkrantz is a graduate of Northwestern University School of Communication.
[1] His stage credits include roles in the Broadway productions Into the Woods (1987), The Threepenny Opera (1989), Damn Yankees (1994), How to Succeed in Business Without Really Trying (1995), A Class Act (2001), and Bright Star (2016), and Off Broadway in Murder for Two,[2] the City Center Encores productions of Anyone Can Whistle, God Bless You, Mr. Rosewater, and The Golden Apple, and the New York Philharmonic productions of Candide (as Maximillian) and Sweeney Todd (as The Beadle), both filmed for PBS.
Robot, The Blacklist (TV series), Fosse/Verdon, The Detour, Will & Grace, 30 Rock, The Good Wife, Ugly Betty, Just Shoot Me!, and Law & Order, and the films The Big Sick and Joseph and the Amazing Technicolor Dreamcoat.
In 2000, noted Broadway actress and recording artist Audra McDonald included Blumenkrantz's song "I Won't Mind" on her CD, How Glory Goes.
Blumenkrantz also contributed a piece to The Seven Deadly Sins, a song cycle commissioned by Carnegie Hall for the singer.