The actress opened up about the former couple's wedding in 2006.
Actress Leah Remini is revealing alleged Tom Cruise Scientology secrets in her new tell-all memoir titled Troublemaker.
The star of the "King of Queens" sitcom says she began questioning her commitment to Scientology at the star-studded wedding of Cruise and Katie Holmes.
Read: Leah Remini Reveals How She Finally Broke Away from Scientology
Cruise stood at the altar for 20 minutes, waiting for Holmes to finally walk down the aisle, she said.
There also was a baby crying somewhere in the background, which all the guests could hear, Remini said. The child was seven-month-old Suri Cruise, who had been left unattended in a bathroom, she said.
Remini says baby Suri only stopped crying after she convinced someone to pick up the baby and give her a bottle of warm milk.
Remini cllaims she was invited so she would bring friend Jennifer Lopez and her then-husband Marc Anthony.
"They wanted me to recruit them to Scientology," the celebrity told "20/20."
Read: Leah Remini Reveals Her Life As a Scientologist: 'You Lose Touch With Reality'
Scientology denies Remini's allegations, telling INSIDE EDITION she is "a bitter ex-Scientologist."
Remini said she is glad that Holmes and her daughter are not Scientologists. "She had to protect her daughter, which in a way connects us."
Holmes filed for divorce in 2012
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