Tom Atkins
Dr. Daniel 'Dan' Challis
Stacey Nelkin
Ellie Grimbridge
Dan O'Herlihy
Conal Cochran
Jadeen Barbor
Betty Kupfer
Brad Schacter
'Little' Buddy Kupfer Jr.
Garn Stephens
Marge Guttman
Joshua John Miller
Willie Challis
Michelle Walker
Bella Challis
Jamie Lee Curtis
Curfew Announcer / Telephone Operator (voice) (uncredited)
Tommy Lee Wallace
Silver Shamrock Commercial Announcer (voice) (uncredited)
Patrick Pankhurst
Technician
Jeffrey D. Henry
Motel Technician
Michael W. Green
Technician #2