William Morrissey
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.
Filmography
AEW Full Gear 2025: Saturday Tailgate Brawl
as Big Bill
AEW Full Gear 2025: Saturday Tailgate Brawl
as Big Bill
AEW All Out 2025
as Big Bill
AEW All Out 2025
as Big Bill
AEW Dynasty 2025
as Big Bill
AEW Dynasty 2025
as Big Bill
AEW Revolution 2025: Zero Hour
as Big Bill
AEW Revolution 2025: Zero Hour
as Big Bill
AEW ROH Global Wars Australia
as Big Bill
AEW ROH Global Wars Australia
as Big Bill
ROH Final Battle 2024
as Big Bill
ROH Final Battle 2024
as Big Bill
AEW WrestleDream 2024
as Big Bill
AEW WrestleDream 2024
as Big Bill
AEW All In 2024: London
as Big Bill
AEW All In 2024: London
as Big Bill
AEW x NJPW Present Forbidden Door 2024
as Big Bill
AEW x NJPW Present Forbidden Door 2024
as Big Bill
AEW Worlds End 2023
as Big Bill
AEW Worlds End 2023
as Big Bill
AEW Full Gear 2023
as Big Bill
AEW Full Gear 2023
as Big Bill
AEW Double or Nothing 2023
as Big Bill
AEW Double or Nothing 2023
as Big Bill
AEW All Out 2022
as W. Morrissey
AEW All Out 2022
as W. Morrissey
IMPACT Wrestling: Rebellion 2022
as W. Morrissey
IMPACT Wrestling: Rebellion 2022
as W. Morrissey
NEW The Return Of The Hardys
as Caz XL
NEW The Return Of The Hardys
as Caz XL
IMPACT Wrestling: No Surrender 2022
as W. Morrissey
IMPACT Wrestling: No Surrender 2022
as W. Morrissey
IMPACT Wrestling: Hard to Kill 2022
as W. Morrissey
IMPACT Wrestling: Hard to Kill 2022
as W. Morrissey
IMPACT Wrestling: Throwback Throwdown II
as Eric "The Red" Wood
IMPACT Wrestling: Throwback Throwdown II
as Eric "The Red" Wood
IMPACT Wrestling: Turning Point 2021
as W. Morrissey
IMPACT Wrestling: Turning Point 2021
as W. Morrissey
IMPACT Wrestling: Bound For Glory 2021
as W. Morrissey
IMPACT Wrestling: Bound For Glory 2021
as W. Morrissey
IMPACT Wrestling: Victory Road 2021
IMPACT Wrestling: Victory Road 2021
IMPACT Wrestling: Homecoming 2021
IMPACT Wrestling: Homecoming 2021
IMPACT Wrestling: Slammiversary 2021
as W. Morrissey
IMPACT Wrestling: Slammiversary 2021
as W. Morrissey
IMPACT Wrestling: Against All Odds 2021
as W. Morrissey
IMPACT Wrestling: Against All Odds 2021
as W. Morrissey
IMPACT Wrestling: Under Siege 2021
as W. Morrissey
IMPACT Wrestling: Under Siege 2021
as W. Morrissey
WWE Money in the Bank 2018
as Big Cass
WWE Money in the Bank 2018
as Big Cass
WWE Backlash 2018
as Big Cass
WWE Backlash 2018
as Big Cass
WWE Greatest Royal Rumble
as Big Cass
WWE Greatest Royal Rumble
as Big Cass
WWE SummerSlam 2017
as Big Cass
WWE SummerSlam 2017
as Big Cass
WWE Great Balls of Fire
as Big Cass
WWE Great Balls of Fire
as Big Cass
WWE Payback 2017
as Big Cass (Preshow)
WWE Payback 2017
as Big Cass (Preshow)
WWE WrestleMania 33
as Big Cass
WWE WrestleMania 33
as Big Cass
WWE Fastlane 2017
as Big Cass
WWE Fastlane 2017
as Big Cass
WWE Best of Raw & SmackDown Live 2016
as Big Cass
WWE Best of Raw & SmackDown Live 2016
as Big Cass
WWE Royal Rumble 2017
as Big Cass
WWE Royal Rumble 2017
as Big Cass
WWE Roadblock: End of the Line 2016
as Big Cass (Preshow)
WWE Roadblock: End of the Line 2016
as Big Cass (Preshow)
WWE Survivor Series 2016
as Big Cass
WWE Survivor Series 2016
as Big Cass
WWE Hell in a Cell 2016
as Big Cass
WWE Hell in a Cell 2016
as Big Cass
WWE SummerSlam 2016
as Big Cass
WWE SummerSlam 2016
as Big Cass
WWE Battleground 2016
as Big Cass
WWE Battleground 2016
as Big Cass
WWE Money in the Bank 2016
as Colin Cassady
WWE Money in the Bank 2016
as Colin Cassady
WWE Payback 2016
as Big Cass
WWE Payback 2016
as Big Cass
NXT's Greatest Matches Vol. 1
as Colin Cassady
NXT's Greatest Matches Vol. 1
as Colin Cassady
WWE Roadblock 2016
as Colin Cassady
WWE Roadblock 2016
as Colin Cassady
NXT TakeOver: London
as Colin Cassady
NXT TakeOver: London
as Colin Cassady
NXT TakeOver: Unstoppable
as Colin Cassady
NXT TakeOver: Unstoppable
as Colin Cassady
WWE NXT Live: From San Jose 2015
as Big Cass
WWE NXT Live: From San Jose 2015
as Big Cass
Who's Afraid
as Dolph
Who's Afraid
as Dolph