The lovesick woman who chases 'Kjell' in the beginning of the movie is Bjørg Byhring, Carsten Byhring's real life wife. The person she mistakes him for is 'Carsten Byhring'.
Only movie in the series to feature a Norwegian 'Biffen', played by Torgils Moe. In later installments, Ove Verner Hansen, who played the character in the Danish movies, would reprise his role.
First movie in the series not to use hyphen in 'Olsenbanden.' The first 5 movies is spelled 'Olsen-banden', like their Danish counterparts. This will remain throughout the series, including the spin-offs and reboot.
First movie where Valborg take part in Egon's plan.