Jason Ritter

Ben Dwellman

Jake Sandvig

Alan Manilow

Chandler Canterbury

Kelsey Patterson

Rebecca Hall

Melanie 'Mel' Manilow

Todd Louiso

Marty

Gabriel Macht

Wyatt

Sally Kirkland

Older Jewish Lady

Elmarie Wendel

The Mark

Carrie Preston

Lynette

Johnny Simmons

Kelsey Patterson (Age 18)

Amanda Seyfried

Amanda (uncredited)