Each will receive $2,000 and an engraved crystal trophy at a ceremony that will be held June 12 in Manhattan at Equity's Eastern Regional Board meeting.
Kritzer was recognized for her performance as Serena in Legally Blonde. Miranda, meanwhile, was honored for his work in In the Heights.
Established in 1944 by actor and former Actors' Equity Association President Clarence Derwent, The Derwent Awards are among the oldest awards on Broadway. Past recipients include Annette Bening, Kristin Chenoweth, Calista Flockhart, Gene Hackman, Dana Ivey, John Malkovich, Ann Reinking, George C. Scott, Frances Sternhagen, Gene Wilder and James Woods. Felicia P. Fields (The Color Purple) and Jason Ritter (Third) were last year's winners.
This year's judges panel included Irene Backalenick, Back Stage; Adam Feldman, Time Out NY; Harry Haun, Playbill; Michael Kuchwara, Associated Press; David Rosenberg, Back Stage; and Michael Sommers, The Star Ledger.
Lin-Manuel Miranda stars in the Off-Broadway musical In the Heights, for which he penned music and lyrics. He received the Georgia Holof Lyricist Award for the production of In the Heights at the O'Neill Music Theatre Conference. Miranda has also written commercial music for Fernando Ferrer and Eliot Spitzer, and he is a co-founding member of Freestyle Love Supreme.