LaSardo started his acting career in 1987 with the independent film China Girl by Abel Ferrara. He was cast in the 1990 Steven Seagal film Hard to Kill, and LaSardo claimed that Seagal took a liking to him, helping him get cast in his next project Out for Justice.[2] After several smaller roles he appeared in such TV series as The X-Files, CSI: Miami, Nip/Tuck and Femme Fatales, most often playing bad guys, in particular drug dealers or gang leaders. He also appeared in feature films as bad guys in several movies, including Waterworld and The Mule.
In December 2021, it was reported that LaSardo has been cast in The Legend of Jack and Diane, a feature film described as a female-led revenge thriller written and directed by Bruce Bellocchi, starring Tom Sizemore, Lydia Zelmac, David Tomlinson and Carlo Mendez. The film's producers include Bellocchi, and filming began in Los Angeles on January 17, 2022.[4][5]
In 2022, it was announced that LaSardo will be starring in the horror film Camp Pleasant Lake with Jonathan Lipnicki.[6]