Donnie Wahlberg

Self

Donny Osmond

Self

Nick Lachey

Self

Zac Hanson

Self

Chris Kirkpatrick

Self

Tiffany

Self

Barry Weiss

Self

AJ McLean

Self

Lance Bass

Self

Suzanne de Passe

Self

Taylor Hanson

Self

Michael Bivins

Self

Nick Jonas

Self

Isaac Hanson

Self

Britney Spears

Self (archive footage)

Harry Styles

Self (archive footage)

Joe Jonas

Self

Tina Treadwell

Self

Lyndsey Parker

Self

Kevin Jonas

Self

Liam Payne

Self (archive footage)

Vivek Tiwary

Self

Louis Tomlinson

Self (archive footage)

Brittany Spanos

Self

Quddus

Self

Van Toffler

Self

Jeff Timmons

Self

Michael Jackson

Self (archive footage)

John Lennon

Self (archive footage)

Ringo Starr

Self (archive footage)

Paul McCartney

Self (archive footage)

George Harrison

Self (archive footage)

Mark Wahlberg

Self

Johnny Wright

Self