Career
He appeared as Rex Cooper in the soap operas Somerset and Another World. He was also known for narrating the anthology television series Tales from the Darkside. His film roles include Loving and The House on Carroll Street while television appearances include Armstrong Circle Theater, Kojak, The Adams Chronicles, Lou Grant and Spenser: Foreign Hire.
Sparer also played Doctor Edward Auster in the first episode of Law & Order, "Prescription for Death".
Sparer was born in Boston, Massachusetts.