Pihla Viitala (Veera Joentie) & Mikko Nousiainen (Erno Juusola) also worked together on Deadwind (2018) as Sofia Karppi & Jarkko Vaahtera respectively.
Pihla Viitala (Veera Joentie) & Anu Sinisalo (Mirjami Pentikäinen) also worked together on Ivalo (2018) as Marita Kautsalo & Nurse Ella respectively.
"Mustat leskret" translates to "Black Widows" in English.