Acting
William Morrissey
1986-08-16 · Queens, New York, USA
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
WWE Friday Night SmackDown
WWE NXT
All Elite Wrestling: Dynamite
WWE WrestleMania 33
TNA iMPACT!
WWE Main Event
WWE Royal Rumble 2017
WWE Money in the Bank 2018
WWE Greatest Royal Rumble
WWE SummerSlam 2017
WWE SummerSlam 2016
All Elite Wrestling: Rampage
WWE Money in the Bank 2016
WWE Survivor Series 2016
WWE Backlash 2018
Movie credits · 48
AEW Full Gear 2025: Saturday Tailgate Brawl
AEW All Out 2025
AEW Dynasty 2025
AEW Revolution 2025: Zero Hour
AEW ROH Global Wars Australia
ROH Final Battle 2024
AEW WrestleDream 2024
AEW All In 2024: London
AEW x NJPW Present Forbidden Door 2024
AEW Worlds End 2023
AEW Full Gear 2023
AEW Double or Nothing 2023
AEW All Out 2022
IMPACT Wrestling: Rebellion 2022
NEW The Return Of The Hardys
IMPACT Wrestling: No Surrender 2022
IMPACT Wrestling: Hard to Kill 2022
IMPACT Wrestling: Throwback Throwdown II
IMPACT Wrestling: Turning Point 2021
IMPACT Wrestling: Bound For Glory 2021
IMPACT Wrestling: Victory Road 2021
IMPACT Wrestling: Homecoming 2021
IMPACT Wrestling: Slammiversary 2021
IMPACT Wrestling: Against All Odds 2021
IMPACT Wrestling: Under Siege 2021
WWE Money in the Bank 2018
WWE Backlash 2018
WWE Greatest Royal Rumble
WWE SummerSlam 2017
WWE Great Balls of Fire
WWE Payback 2017
WWE WrestleMania 33
WWE Fastlane 2017
WWE Best of Raw & SmackDown Live 2016
WWE Royal Rumble 2017
WWE Roadblock: End of the Line 2016
WWE Survivor Series 2016
WWE Hell in a Cell 2016
WWE SummerSlam 2016
WWE Battleground 2016
TV credits · 11
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