Richard John Kind ( born November 22 , 1956 ) is an American actor known for his roles in the sitcoms `` Mad About You '' ( as Dr. Mark Devanow ) and `` Spin City '' ( as Paul Thomas Lassiter ) .
Richard John Kind ( born November 22 , 1956 ) is an American actor . He is known for his roles in `` Mad About You '' ( as Dr. Mark Devanow ) and in `` Spin City '' ( as Paul Thomas Lassiter ) .