4K restoration from the original camera negative

4K (2160p) UHD Blu-ray presentation in Dolby Vision (HDR10 compatible)

Original lossless mono audio

Optional lossless 5.1 DTS-HD Master Audio remix

Optional English subtitles for the deaf and hard of hearing

Audio commentary with film producer and historian Bruce Block

The Key to the Apartment, an appreciation by film historian Philip Kemp

Select scene commentary by Philip Kemp

The Flawed Couple, a video essay by filmmaker David Cairns on the collaborations between Billy Wilder and Jack Lemmon

A Letter to Castro, an interview with actress Hope Holiday

The Writer Speaks: Billy Wilder, an archival interview from the Writers Guild of America's Oral Histories series

Inside the Apartment, a half-hour making-of featurette from 2007 including interviews with Shirley MacLaine, executive producer Walter Mirisch, and others

Magic Time: The Art of Jack Lemmon, an archive profile of the actor from 2007

Theatrical trailer

Reversible sleeve featuring original and newly commissioned artwork by Ignatius Fitzpatrick

Collector's booklet featuring writing on the film by Neil Sinyard, Kat Ellinger, Travis Crawford and H.V. Hyche