Sigourney Weaver
Self
Acting
Annie Potts
Self
Acting
Dan Aykroyd
Self
Acting
Harold Ramis
Self
Directing
Ernie Hudson
Self
Acting
William Atherton
Self
Acting
Jennifer Runyon
Self
Acting
Ivan Reitman
Self
Production
Alice Drummond
Self
Acting
Timothy Carhart
Self
Acting
David Margulies
Self
Acting
Joe Medjuck
Self
Production
Richard Edlund
Self
Visual Effects
Steve Johnson
Self
Acting
Randall William Cook
Self
Visual Effects
Michael C. Gross
Self
Production
John Bruno
Self
Visual Effects
Ray Parker, Jr.
Self
Acting
Steven Tash
Self
Acting
Michael Ensign
Self
Acting
Bill Murray
Self (archive footage)
Acting
John Rothman
Self
Acting