Marvel Movies

Sean Cassidy

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Sean Cassidy
Alias(es) Banshee
Appeared in X-Men Origins: Wolverine
X-Men: First Class
Actor Caleb Landry Jones
"You like fish, I like fish too. Maybe we should get a bite sometime and talk about it."
―Sean Cassidy [src]

Sean Cassidy aka Banshee is a mutant with the ability of superhumanly powerful lungs, throat, and vocal cords could produce a sonic scream for various effects, in concert with limited, reflexive psionic powers which directed his sonic vibrations. He could hover or fly at the speed of sound.


X-Men: First Class

Banshee's unique sonic blasts carry him into flight. Like other young mutants, Banshee's powers reach their full potential only under Charles Xavier's patient tutelage, and in a battle that will have global consequences.

X-Men Origins: Wolverine

He makes a brief cameo as a prisoner of William Stryker in his mutant testing facility on Three-Mile Island. He, along with the rest of the incarcerated mutants (Quicksilver, Toad, Emma Frost and Cyclops), escape with the help of Professor X.

X2: X-Men United

His name, along with his daughter's, appears on a list of names Mystique scrolls through on Stryker's computer while looking for Magneto's file.


Behind the scenes

  • British actor Robert Sheehan was originally cast as the character but dropped out due to commitments to Misfits.


  • In the comics, Banshee is from Ireland, in the film Cassidy is American.



X-Men:First Class

X-Men Origins: Wolverine


See Also

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