 ZendayaTashi Donaldson | Tashi Donaldson |
 Mike FaistArt Donaldson | Art Donaldson |
 Josh O'ConnorPatrick Zweig | Patrick Zweig |
 Darnell ApplingUmpire (New Rochelle Final) | Umpire (New Rochelle Final) |
 Bryan DooArt's Physiotherapist | Art's Physiotherapist |
 Shane T HarrisArt's Security Guard | Art's Security Guard |
 Nada DespotovichTashi's Mother | Tashi's Mother |
| JJoan McshaneLine Judge (New Rochelle Final) | Line Judge (New Rochelle Final) |
 Chris FowlerTV Sports Commentator (Atlanta 2019) | TV Sports Commentator (Atlanta 2019) |
 Mary Joe FernándezTV Sports Commentator (Atlanta 2019) | TV Sports Commentator (Atlanta 2019) |
 A.J. ListerLily | Lily |
| CConnor AulsonLeo Du Marier | Leo Du Marier |
 Doria BramanteWoman With Headset (Atlanta 2019) | Woman With Headset (Atlanta 2019) |
 Christine DyeMotel Front Desk Clerk | Motel Front Desk Clerk |
| JJames SylvaMotel Husband | Motel Husband |
| KKenneth A. OsherowMotel Husband | Motel Husband |
 Kevin CollinsNew Rochelle Parking Lot Guard | New Rochelle Parking Lot Guard |
 Burgess ByrdUSTA Official / Line Judge US Open Jr. | USTA Official / Line Judge US Open Jr. |
| JJason TongLine Judge (New Rochelle Final) | Line Judge (New Rochelle Final) |
 Hudson RiveraY. Kucera (US Open Jr. Player) | Y. Kucera (US Open Jr. Player) |
| NNoah EisenbergT. Svoboda (US Open Jr. Player) | T. Svoboda (US Open Jr. Player) |
| EEmma DavisA. Mueller (US Open Jr. Player) | A. Mueller (US Open Jr. Player) |
 Naheem GarciaTashi's Father | Tashi's Father |
 Alex BancilaGrosu | Grosu |
 Jake JensenFinn Larsen | Finn Larsen |
| KKonrad RybaPlayer (New Rochelle Locker Room) | Player (New Rochelle Locker Room) |
 Hailey Benton GatesHelen (Patrick's Date) | Helen (Patrick's Date) |
| AAndrew RogersArt's Teammate (Stanford) | Art's Teammate (Stanford) |
| BBeverly Kristenson HeltonUmpire (Stanford Match) | Umpire (Stanford Match) |
 Brad GilbertArt's Trainer (Ohio 2011) | Art's Trainer (Ohio 2011) |
