Kate Capshaw
Andie
Lea Thompson
Kathryn
Kelly Preston
Tish
Larry B. Scott
Rudy
Joaquin Phoenix
Max
Tate Donovan
Kevin
Tom Skerritt
Zack
Barry Primus
Brennan
Terry O'Quinn
Launch Director
Mitchell Anderson
Banning
Scott Coffey
Gardener
Daryl Keith Roach
NASA #1
Peter Scranton
NASA #2
Hollye Rebecca Suggs
Young Andie
Terry White
NASA #3
Susan Becton
Senior Counselor
D. Ben Casey
Rudy's Father
Kathy Hanson
Girl
Ron Harris
Tom the Technician
Scott Holcomb
Hideo Takamini
Kevin Gage
Counselor #2
Saundra McGuire
Rudy's Mother
Bill Phillips
Kathryn's Father
Jon Steigman
Bully in Dorm
Adrian Wells
Rudy's Brother
Frank Welker
Special Vocal Effects
Pamela Adlon
Girl in Launch Control Gallery (uncredited)
Lori Randolph
Camper (uncredited)