Graziano Di Prima, Nadiya Bychkova, Nancy Xu and Neil Jones won't get celebrity partners on Strictly this year.
They will still take part in the show's pro group dances and also perform together with music acts in Sunday's results show.
Neil first joined the show in 2016 but only last year got his first celebrity partner, footballer Alex Scott.
Last year saw Nadiya partnered with David James while in 2018 she performed with Blue singer Lee Ryan.
Graziano Di Prima was last partnered with Vick Hope in 2018 while Nancy Xu joined the professional line up last year.
This year's celebrity and professional pairings will be announced in the pre-recorded launch show on Saturday, September 17.
Due to the pandemic, the pairing reveals will be filmed in a series of "incredible locations" rather than taking place in the studio as in past years.
Making up the male pros alongside Neil and Graziano are Aljaž Škorjanec, Anton Du Beke, Giovanni Pernice, Gorka Marquez and Johannes Radebe.
Joining them together with Nadiya and Nancy are leading ladies Amy Dowden, Dianne Buswell, Janette Manrara, Karen Hauer, Katya Jones, Luba Mushtuk and Oti Mabuse.
As for the celeb line up, stars this year include Good Morning Britain presenter Ranvir Singh, EastEnders star Maisie Smith, singer & presenter HRVY and reality star Jamie Laing.
Joining them are Invictus Games medallist JJ Chalmers, singer-songwriter Max George, actress Caroline Quentin and former American Footballer Jason Bell.
Finishing this year's line up are Radio 1 DJ Clara Amfo, comic & musician Bill Bailey, former MP Jacqui Smith and Olympian Nicola Adams, who will dance in the show's first same sex pairing.
It's already been confirmed that in a Strictly first, Nicola will be dancing with a female pro in the show's first same-sex pairing.
Strictly Come Dancing will launch in October on BBC One.