Darren McGavin
Harry Forbes
Gary Collins
Steve Bancroft
Philip Abbott
Frank Morrison
Joseph Campanella
Frank Lafferty
Pamela Bellwood
Sarah Michaels
Steven Keats
Paul Bannister
William Schallert
Professor Mills
Cliff Osmond
Sheriff Barlow
Betty Ann Carr
Flo Mattson
H.M. Wynant
Flight Director
Eddie Carroll
MIB #3 (as Ed E. Carroll)
Robert Bristol
Helicopter Pilot
John William Galt
NASA Official
Debrah Macfarlane
Female Specimen
Chesley Noone
A.F. Captain (as Chet Norris)
H.E.D. Redford
CAPCOM Officer
Max Robinson
Payload Officer
Michael Ruud
George Turner
Scott Wilkinson
Flight Activity Officer
