William Morrissey
Acting
Born: 1986-08-16 in Queens, New York, USA
Biography
William Morrissey is an American professional wrestler currently signed to All Elite Wrestling (AEW) under the ring name Big Bill. He is best known for his tenure with WWE, where he performed under the ring name Big Cass, a shortened version of his previous name Colin Cassady. In WWE, he came to prominence for his partnership with Enzo Amore, whom he teamed with from 2013 to 2017. Together, they won the NXT Year-End Award for Tag Team of the Year in 2015. He was brought up to Raw alongside Enzo Amore the day after WrestleMania 32. He was later moved to the SmackDown brand, where he had a brief feud with Daniel Bryan, before being released by the company in June 2018. After leaving WWE, he resumed teaming with Amore (now known as nZo) on the independent circuit. He worked in Impact Wrestling under the name of W. Morrissey.
Known For
Raw
Big Cass
Raw
All Elite Wrestling: Dynamite
All Elite Wrestling: Dynamite
W. Morrissey
All Elite Wrestling: Dynamite
'The Redwood' Big Bill
All Elite Wrestling: Dynamite
Big Bill
WWE NXT
Colin Cassady
WWE NXT
Colin Cassidy
WWE NXT
Big Cass
WWE NXT
WWE Friday Night SmackDown
ROH on HonorClub
Big Bill
WWE Main Event
Big Cass
WWE Main Event
All Elite Wrestling: Collision
Big Bill
All Elite Wrestling: Collision
'The Redwood' Big Bill
All Elite Wrestling: Collision
All Elite Wrestling: Rampage
All Elite Wrestling: Rampage
Big Bill
TNA iMPACT!
TNA iMPACT!
W. Morrissey
Hey! (EW)
Big Bill
Before the Impact
W. Morrissey
AEW All Out 2025
Big Bill
WWE WrestleMania 33
Big Cass
WWE Greatest Royal Rumble
Big Cass
WWE Survivor Series 2016
Big Cass
AEW WrestleDream 2024
Big Bill
AEW Double or Nothing 2023
Big Bill
ROH Final Battle 2024
Big Bill
AEW All Out 2022
W. Morrissey
AEW x NJPW Present Forbidden Door 2024
Big Bill
WWE SummerSlam 2016
Big Cass
WWE Fastlane 2017
Big Cass
IMPACT Wrestling: Against All Odds 2021
W. Morrissey
AEW Revolution 2025: Zero Hour
Big Bill
WWE SummerSlam 2017
Big Cass
AEW Dynasty 2025
Big Bill
WWE Best of Raw & SmackDown Live 2016
Big Cass
WWE Royal Rumble 2017
Big Cass