10 Voice Actors Who Have Played Opposite Genders, Species, and Planets

Voice acting is a unique art form where talent knows no bounds. The ability to bring life to characters far beyond an actor’s own identity—whether it’s a different gender, a non-human creature, or an alien from another world—takes incredible skill and versatility.

I’ve put together a list of 10 voice actors who’ve mastered this craft, seamlessly voicing characters across genders, species, and even planets. Each actor brings something special, making their performances unforgettable in animation, games, and beyond.

Tara Strong

Tara Strong is a voice-acting legend known for her incredible range. In ‘The Powerpuff Girls’ (1998-2005), she voices Bubbles, a sweet girl with a high-pitched tone, while in ‘Teen Titans’ (2003-2006), she’s Raven, a darker female character with a deeper edge. She also voices Timmy Turner, a young boy in ‘The Fairly OddParents’ (2001-2017), showing her gender versatility.

Beyond humans, Strong voices Ben Tennyson in ‘Ben 10’ (2005-2008), a kid hero, and even non-human roles like Dil Pickles, a baby in ‘Rugrats’ (1991-2004). Her work extends to alien characters like Princess Mandie in ‘The Fairly OddParents’, proving she can handle beings from other worlds with ease.

Frank Welker

Frank Welker is a master of voices, especially for non-human characters. In ‘Transformers’ (1984-1987), he voices Megatron, a male alien robot with a commanding tone. He also plays Uni, a female unicorn in ‘Dungeons & Dragons’ (1983-1985), showing his gender flexibility.

Welker’s animal roles are iconic, like Scooby-Doo in ‘Scooby-Doo, Where Are You!’ (1969-1970), a male dog with a goofy charm. His ability to voice creatures from Earth to alien planets, like Soundwave in ‘Transformers’, cements his place as a versatile legend.

June Foray

June Foray’s voice defined generations of animation. She voiced Rocky, a male flying squirrel, in ‘Rocky and Bullwinkle’ (1959-1964), with a plucky, youthful energy. She also brought life to Granny, a female character in ‘Looney Tunes’ (1930-1969), showing her range across genders.

Foray’s non-human roles include Lucifer, a malevolent male cat in ‘Cinderella’ (1950), and various creatures in ‘The Smurfs’ (1981-1989). Her ability to jump from human to animal to magical beings across different worlds made her a pioneer in voice acting.

Nancy Cartwright

Nancy Cartwright is best known for voicing Bart Simpson, a mischievous male kid in ‘The Simpsons’ (1989-present). Her ability to capture Bart’s rebellious spirit while also voicing female characters like Marge Simpson showcases her gender-spanning talent.

Cartwright’s range extends to non-human roles, like Rufus, a male naked mole rat in ‘Kim Possible’ (2002-2007). She also voices Chuckie Finster, a young boy in ‘Rugrats’ (1991-2004), proving she can handle both Earth-bound and quirky animated characters with ease.

Tress MacNeille

Tress MacNeille is a voice-acting powerhouse with a knack for diverse roles. In ‘The Simpsons’ (1989-present), she voices female characters like Agnes Skinner but also male ones like Crazy Cat Lady’s cats, blurring gender lines with her vocal skills.

Her non-human roles shine in ‘Futurama’ (1999-2013), where she voices Mom, a human, and various aliens like the Slurm Queen. MacNeille’s ability to tackle characters from Earth to distant planets makes her a standout in the industry.

Charlie Adler

Charles Adler brings bold energy to his roles. In ‘Rocko’s Modern Life’ (1993-1996), he voices Bev Bighead, a female toad, with a hilarious, gravelly tone. He also plays male characters like Ed Bighead in the same show, showing his gender versatility.

Adler’s non-human roles include Starscream, a male alien robot in ‘Transformers’ (2007-2009), and Cow, a female bovine in ‘Cow and Chicken’ (1997-1999). His ability to voice creatures from Earth and beyond makes him a unique talent.

Pamela Adlon

Pamela Adlon’s voice work spans genders and species with ease. In ‘King of the Hill’ (1997-2010), she voices Bobby Hill, a male teenager with a soft, relatable tone. She also plays female characters like Spinelli in ‘Recess’ (1997-2001).

Adlon’s non-human roles include Baloo, a male bear in ‘Jungle Cubs’ (1996-1998), and various aliens in ‘Big Mouth’ (2017-present). Her ability to bring heart to characters from different worlds and species is truly impressive.

Veronica Taylor

Veronica Taylor is a fan favorite for voicing Ash Ketchum, a male Pokémon trainer, in ‘Pokémon’ (1997-2006). Her youthful energy captures Ash’s spirit while also voicing female characters like May in the same series.

Taylor’s non-human roles include Pikachu, a male electric mouse in ‘Pokémon’, and various alien-like creatures in ‘Teenage Mutant Ninja Turtles’ (2003-2009). Her versatility across Earth and fictional planets is remarkable.

E. G. Daily

E.G. Daily’s voice brings charm to diverse roles. In ‘Rugrats’ (1991-2004), she voices Tommy Pickles, a brave male baby, while also playing female characters like Angelica in the same show, showcasing her gender range.

Daily’s non-human roles include Buttercup, a female bear in ‘The Powerpuff Girls’ (1998-2005), and alien creatures in ‘Invader Zim’ (2001-2006). Her ability to jump from human kids to extraterrestrial beings is a testament to her skill.

Christine Cavanaugh

Christine Cavanaugh left a lasting mark on voice acting. In ‘Dexter’s Laboratory’ (1996-2003), she voiced Dexter, a male boy genius with a distinct accent. She also played female roles like Bunny in ‘The Powerpuff Girls’ (1998-2005).

Cavanaugh’s non-human roles include Babe, a male pig in ‘Babe’ (1995), and alien characters in ‘Aaahh!!! Real Monsters’ (1994-1997). Her ability to bring life to characters across genders and worlds made her a beloved talent.

Which voice actor’s performance across genders, species, or planets surprised you the most? Share your thoughts in the comments!