Celebs You Totally Forgot Guest-Starred on 'Grey's Anatomy'

Matthew Morrison

Seasons: 13, 14
The Glee actor played Paul Stadler, Jo’s abusive and estranged husband who surprises her when he shows up in her life again. He eventually dies from a hit-and-run.

Bethany Joy Lenz

Season: 14
The One Tree Hill actress played Paul’s fiancee, who first refuses to acknowledge Paul’s abusive behavior but later goes to the police.