Chris Evans

Character: Narrator

Michelle Monaghan

Character: Her

Topher Grace

Character: Scott

Aubrey Plaza

Character: Mallory

Luke Wilson

Character: Samson

Martin Starr

Character: Lyle

Anthony Mackie

Character: Bryan

Ioan Gruffudd

Character: Stuffy

Philip Baker Hall

Character: Granddad

Patrick Warburton

Character: Dick

Ashley Tisdale

Character: Ashley Tisdale

Matthew Morrison

Character: Matthew Morrison

Jaeden Martell

Character: 6 Year Old Me

Fabianne Therese

Character: College Girl

Gerry Bednob

Character: Cabbie / Gabriel

Beverly D'Angelo

Character: Lyle's Girlfriend

Kyle Mooney

Character: Other Dude

Scott Evans

Character: Blissful Boy

Brenda Schmid

Character: Blissful Girl

Sarah Dumont

Character: Cute Girl

Mikaela Hoover

Character: Lacey

Devon Ogden

Character: Sadie