Season 1
- Brec Bassinger as Courtney "Stargirl" Whitmore
- Luke Wilson ( ) as Pat "S.T.R.I.P.E." Dugan
- Amy Smart as Barbara Whitmore
- Yvette Monreal as Yolanda "Wildcat" Montez
- Anjelika Washington as Beth "Doctor Mid-Nite" Chapel
- Cameron Gellman as Rick "Hourman" Tyler
- Trae Romano as Mike Dugan
- Meg DeLacy as Cindy Burman
- Jake Austin Walker as Henry King Jr. [ 1 ]
- Neil Jackson ( Blade: House of Cthon ) as Jordan "Icicle" Mahkent [ 1 ]
- Christopher James Baker as Henry "Brainwave" King Sr. [ 1 ]
Stargirl (2020) [Season 1, Episode 1]
Pilot (53 min)
Shown 18 May 20
Stargirl (2020) [Season 1, Episode 2]
S.T.R.I.P.E. (51 min)
Shown 25 May 20
Stargirl (2020) [Season 1, Episode 3]
Icicle (44 min)
Shown 01 Jun 20
Stargirl (2020) [Season 1, Episode 4]
Wildcat (43 min)
Shown 08 Jun 20
Stargirl (2020) [Season 1, Episode 5]
Hourman and Dr. Mid-Nite (43 min)
Shown 15 Jun 20
Stargirl (2020) [Season 1, Episode 6]
The Justice Society (41 min)
Shown 22 Jun 20
Stargirl (2020) [Season 1, Episode 7]
Shiv Part One (42 min)
Shown 29 Jun 20
Stargirl (2020) [Season 1, Episode 8]
Shiv Part Two (41 min)
Shown 06 Jul 20
Stargirl (2020) [Season 1, Episode 9]
Brainwave (41 min)
Shown 13 Jul 20
Stargirl (2020) [Season 1, Episode 10]
Brainwave Jr. (42 min)
Shown 20 Jul 20
Stargirl (2020) [Season 1, Episode 11]
Shining Knight (44 min)
Shown 27 Jul 20
Stargirl (2020) [Season 1, Episode 12]
Stars & S.T.R.I.P.E. Part One (41 min)
Shown 03 Aug 20
Stargirl (2020) [Season 1, Episode 13]
Stars & S.T.R.I.P.E. Part Two (40 min)
Shown 10 Aug 20
Stargirl (2020) [Season 2
, Episode 1
]