They will appear as series regulars alongside stars Annette Bening, Sam Neill, Jake Lacy and Alison Brie.
Watch on Deadline
Turner (Thai Cave Rescue) will portray Logan Delaney.
When an attempt to go pro flamed out, Logan planned to take over his parents tennis academy.

From left: Georgia Flood, Conor Merrigan Turner and Essie RandlesBonnie Cee/Stephen Heath/Bryan Chapman Parish
But instead, hes found inner peace managing the local marina in West Palm.
Randles (Speedway) is cast as Brooke Delaney.
Marnich and Moriarty executive produce with David Heyman, Albert Page and Jillian Share.

Chris Sweeney will direct multiple episodes, including the first.
The series will film in Australia.
Flood is represented by Gersh and Catherine Poulton Management.
Merrigan Turner is repped by The X Division and Goodman Genow Schenkmen.
Randles is with Echo Lake Entertainment, Australias CBM Management and Goodman Genow Schenkman.