These include the lead in Second Stage Theatre's revival of Danny and the Deep Blue Sea (2004), as well as his critically acclaimed role in The Women's Project's Birdy (2003).
In 2006, Rothenberg played the Scottish storyteller Chimney Bosch in the MCC Theater's The Wooden Breeks, directed by Trip Cullman.
Outside of New York, Rothenberg starred opposite Patricia Clarkson as Stanley Kowalski in A Streetcar Named Desire at the Kennedy Center's Tennessee Williams Festival (2004).
Other theatre performances include Finder's Fee at the Edinburgh Fringe Festival, A Steady Rain, The Center of Gravity, Mad Forest, I'm Really Here and Almost Like Being.
In 2015, he was cast in the pilot of ABC's crime drama series Wicked City as Detective Jack Roth, an officer searching for a serial killer on the Sunset Strip.