Date of birth:
John Mark "Johnny" Galecki is an American actor. He is best known for his roles as David Healy in the sitcom Roseanne, and as Leonard Hofstadter, Ph.D, in the CBS sitcom The Big Bang Theory.
Movies starring Johnny Galecki (2 of 2)
Live forever or die trying.
A teenage girl runaway wreaks havoc in the lives of everyone she meets.
The Opposite of Sex
TV starring Johnny Galecki (8 of 122)
Sheldon struggles to find a Valentine's gift for Amy.
The Big Bang Theory - S06E16 - The Tangible Affection Proof
Leonard moves in with Penny after a fight with Sheldon.
The Big Bang Theory - S06E15 - The Spoiler Alert Segmentation
Rivals Sheldon and Kripke are forced to work together.
The Big Bang Theory - S06E14 - The Cooper/Kripke Inversion
The guys take a road trip to a comic book convention.
The Big Bang Theory - S06E13 - The Bakersfield Expedition
Sheldon is accused of sexual harassment at work.
The Big Bang Theory - S06E12 - The Egg Salad Equivalency
Sheldon unwillingly revisits some Christmas memories.
The Big Bang Theory - S06E11 - The Santa Simulation
Howard bonds with his father-n-law on a fishing trip.
The Big Bang Theory - S06E10 - The Fish Guts Displacement
Sheldon & Howard battle over an assigned parking spot.
The Big Bang Theory - S06E09 - The Parking Spot Escalation