Home People Johnny Galecki Johnny Galecki shows Johnny Galecki shows Johnny Galecki TV Shows (18) The Conners (2018) As David Healy, He was 43 years old SciJinks (2018) As Himself - Host, He was 43 years old Lip Sync Battle (2015) As Himself, He was 39 years old The Big Bang Theory (2007) As Leonard Hofstadter, He was 32 years old Boulevard of Broken Dreams (2007) As (archive footage), He was 31 years old My Name Is Earl (2005) As Scott, He was 30 years old American Dad! (2005) As Arnie, He was 29 years old LAX (2004) As Leland Pressman, He was 29 years old Hope & Faith (2003) As Jay, He was 28 years old Family Guy (1999) As Leonard Hofstadter (voice), He was 23 years old Batman Beyond (1999) As Knux (voice), He was 23 years old Billy (1992) As David MacGregor, He was 16 years old Civil Wars (1991) As Greg Stolbach, He was 16 years old Blossom (1990) As Jason, He was 15 years old American Dreamer (1990) As Danny Nash, He was 15 years old Blind Faith (1990) As John Marshall, He was 14 years old Hardball (1989) He was 14 years old Roseanne (1988) As David Healy, He was 13 years old
