Tom Hanks as Ray Peterson

Bruce Dern as Lt. Mark Rumsfield

Carrie Fisher as Carol Peterson

Rick Ducommun as Art Weingartner

Wendy Schaal as Bonnie Rumsfield

Corey Feldman as Ricky Butler

Courtney Gains as Hans Klopek

Henry Gibson as Dr. Werner Klopek

Gale Gordon as Walter Seznick

Dick Miller as Vic, Garbageman #1

Robert Picardo as Joe, Garbageman #2

Theodore Gottlieb as Uncle Reuben Klopek

Franklyn Ajaye as Detective #1

Cory Danziger as Dave Peterson

Rance Howard as Detective #2

Heather Haase as Ricky's Girlfriend

Nicky Katt as Steve Kuntz

Bill Stevenson as Ricky's Friend

Gary Hays as Ricky's Friend

Kevin Gage as Cop

Dana Olsen as Cop

Brenda Benner as Walter's Daughter

Patrika Darbo as Suzanne Weingartner

Sonny Carl Davis as Voiceover Actor

Moosie Drier as Voiceover Actor

Leigh French as Voiceover Actor

Archie Hahn as Voiceover Actor

Billy Jayne as Voiceover Actor

Phyllis Katz as Voiceover Actor

Jeffrey Kramer as Voiceover Actor

Lynne Marie Stewart as Voiceover Actor

Arnold F. Turner as Voiceover Actor

Gigi Vorgan as Voiceover Actor

Carey Scott as Ricky’s friend (uncredited)

Tony Westbrook as Kid on Bike (Uncredited)

Kevin McCarthy as Ray’s Boss (uncredited)