Suggestions by @KingGameRuler

Kirk Thornton

as Clay in Pokémon Adventures (Gym Leaders)

Vanessa Marshall

as Elesa in Pokémon Adventures (Gym Leaders)

Matthew Mercer

as Burgh in Pokémon Adventures (Gym Leaders)

Brianna Knickerbocker

as Roxie in Pokémon Adventures (Gym Leaders)

Yvette Nicole Brown

as Lenora in Pokémon Adventures (Gym Leaders)

Tom Wayland

as Cress in Pokémon Adventures (Gym Leaders)

Lucien Dodge

as Chili in Pokémon Adventures (Gym Leaders)

Jason Griffith

as Cilan in Pokémon Adventures (Gym Leaders)

Roger Craig Smith

as Volkner in Pokémon Adventures (Gym Leaders)

AmaLee

as Candice in Pokémon Adventures (Gym Leaders)

Steve Blum

as Byron in Pokémon Adventures (Gym Leaders)

Travis Willingham

as Crasher Wake in Pokémon Adventures (Gym Leaders)

Erica Lindbeck

as Maylene in Pokémon Adventures (Gym Leaders)

Karen Strassman

as Fantina in Pokémon Adventures (Gym Leaders)

Erica Mendez

as Gardenia in Pokémon Adventures (Gym Leaders)

Craig Blair

as Roark in Pokémon Adventures (Gym Leaders)

Sean Schemmel

as Juan in Pokémon Adventures (Gym Leaders)

Kyle McCarley

as Wallace in Pokémon Adventures (Gym Leaders)

Rachel Lillis

as Liza in Pokémon Adventures (Gym Leaders)

Eric Stuart

as Tate in Pokémon Adventures (Gym Leaders)