Two real BPD officers, former Homicide Detective Donald Worden and former Commissioner Leonard Hamm, appear in the episode's opening as midnight shift homicide detectives.
Donald Trump | Donald Duck | Donald Rumsfeld | Donald Knuth | Donald Sutherland | Donald Judd | Donald Honig | Donald Bradman | Donald Pleasence | Donald Byrd | Donald Tsang | William Donald Schaefer | Donald Winnicott | Donald Fagen | Donald Tusk | Donald O'Connor | Donald Brashear | Donald | Donald Ross | Donald Kennedy | Donald E. Westlake | Donald Braswell II | Donald Baechler | Donald Smith, 1st Baron Strathcona and Mount Royal | Donald Ogden Stewart | Donald M. Fraser | Donald Glover | Donald Glaude | Donald Fisher | Donald Faison |
It is generally agreed that Bolander is based on the Homicide book's cigar-smoking detective Donald Worden, though Worden was not paired with Jay Landsman, the sergeant on whom John Munch was based.