Suggestions by @blakeharris634

Haley Joel Osment

as Young Davey Stone in Eight Crazy Nights (1997)

Stan Sandler

as Davey's Dad in Eight Crazy Nights (1997)

Bryan Adams

as Dad (singing voice) in Eight Crazy Nights (1997)

Céline Dion

as Mom (singing voice) in Eight Crazy Nights (1997)

Jillian Sandler

as Dreidel Kid #2 in Eight Crazy Nights (1997)

Jared Sandler

as Dreidel Kid #1 in Eight Crazy Nights (1997)

Jana Sandler

as Victoria's Secret Customer in Eight Crazy Nights (1997)

Kath Soucie

as Concession Stand Worker in Eight Crazy Nights (1997)

Seth MacFarlane

as Mr. Thompson (singing voice) in Eight Crazy Nights (1997)

Seth MacFarlane

as Benjamin (singing voice) in Eight Crazy Nights (1997)

Samuel Vincent

as Donald Hardy in Eight Crazy Nights (1997)

Alex Borstein

as Phone Sex Lady (singing voice) in Eight Crazy Nights (1997)

Tom Kane

as TV Announcer in Eight Crazy Nights (1997)

Carmen Filpi

as Homeless Guy in Eight Crazy Nights (1997)

Jennifer Lopez

as Mrs. Selman in Eight Crazy Nights (1997)

Nancy Cartwright

as Basketball Kid in Eight Crazy Nights (1997)

E.G. Daily

as Kat Kid in Eight Crazy Nights (1997)

Debi Derryberry

as Telephone Kid in Eight Crazy Nights (1997)

Seth MacFarlane

as Cop #4 in Eight Crazy Nights (1997)

Robert Smigel

as Cop #3 in Eight Crazy Nights (1997)