Suggestions by @dantesgrid

Dallas Dupree Young

as Alan Albright in Ben 10: Legends (A Max Original Series)

Score: +2

Josh Zaharia

as Ben Tennyson in Ben 10: Legends (A Max Original Series)

Score: +1

Jensen Ackles

as Future Kevin in Ben 10: Legends (A Max Original Series)

Score: +1

Karen Fukuhara

as Future Julie in Ben 10: Legends (A Max Original Series)

Score: +1

Mckenna Grace

as Lucy Mann in Ben 10: Legends (A Max Original Series)

Score: +1

David Tennant

as Professor Paradox in Ben 10: Legends (A Max Original Series)

Score: +1

John Wesley Shipp

as Max Tennyson in Ben 10: Legends (A Max Original Series)

Score: +1

Isabela Merced

as Gwen Tennyson in Ben 10: Legends (A Max Original Series)

Score: +1

Asher Angel

as Kevin Levin in Ben 10: Legends (A Max Original Series)

Score: +1

Momona Tamada

as Julie Yamamoto in Ben 10: Legends (A Max Original Series)

Score: +1

Georgie Farmer

as Pierce Wheels in Ben 10: Legends (A Max Original Series)

Score: +1

Mason Gooding

as Kevin Levin in Ben 10: Legends (A Max Original Series)

Score: 0

Steve Blum

as Vilgax in Ben 10: Legends (A Max Original Series)

Score: 0

Momona Tamada

as Amai Higashi in Interstellar Ranger Commence

Score: +1

Xochitl Gomez

as Carmen Avilas in Interstellar Ranger Commence

Score: +1

Teagan Croft

as Hope Griffin in Interstellar Ranger Commence

Score: +1

Steven Yeun

as Iroh in The Legend Of Korra (An Avatar Sequel)

Score: +2

Kelly Hu

as Lin Beifong in The Legend Of Korra (An Avatar Sequel)

Score: +2

Chaske Spencer

as Tarrlok in The Legend Of Korra (An Avatar Sequel)

Score: +2

Xochitl Gomez

as Korra in The Legend Of Korra (An Avatar Sequel)

Score: -1