Sankey's bandmate Jeremy Warmsley co-produced and composed the film's original score.

The film features extracts from hundreds of films, including The Holiday, When Harry Met Sally, While You Were Sleeping, The Big Sick, Kissing Jessica Stein and The Broken Hearts Club.

[4] Other contributors to the film include actor Jessica Barden, director Charlie Lyne, writers Laura Snapes, Anne T Donahue, Simran Hans, Cameron Cook, Brodie Lancaster and radio producer Eleanor McDowall.

[8] As of October 2021[update], Romantic Comedy holds a rating of 93% on Rotten Tomatoes, based on 15 reviews.

[9] The Guardian reviewed Romantic Comedy, rating it 4/5 stars and writing "engaging documentary reclaims the genre from snooty cinephiles – and proudly pronounces When Harry Met Sally a masterpiece".