George Segal
Harry Calder
Acting
Richard Widmark
Agent Hoyt
Acting
Timothy Bottoms
Young Man
Acting
Harry Guardino
Keefer
Acting
Susan Strasberg
Fran
Acting
Henry Fonda
Simon Davenport
Acting
Helen Hunt
Tracy Calder
Acting
Dorothy Tristan
Helen
Acting
Harry Davis
Benny Neilson
Acting
Stephen Pearlman
Bert Lyons
Acting
G.F. Rowe
Wayne Moore
Acting
Wayne Tippit
Police Captain Christie
Acting
Michael Bell
Demerest
Acting
Robert Quarry
Mayor
Acting
Richard Altman
Mandell
Acting
Gloria Calomee
Jackie
Acting
Quinn K. Redeker
Owner #2
Acting
Craig Wasson
Hippie Boy
Acting
Jean Rasey
Girl in Line
Acting
Greg Elliot
Boy in Line
Writing
Tara Buckman
Coaster Attendant
Acting
Monica Lewis
Tourist Mother
Acting
Dick Wesson
Tourist Father
Acting
Bruce Kimball
Bomb Squad #1
Acting
Bruce French
Bomb Squad #2
Acting
Stephen Mendillo
Bomb Squad #3
Acting
Larry Holt
Bomb Squad #4
Crew
Gene Tyburn
Bomb Squad #5
Acting
Arthur Peterson
Owner
Acting
Mark Thomas
Agent with Red Hat
Acting
Ron Mael
Self - Sparks (uncredited)
Acting
Russell Mael
Self - Sparks (uncredited)
Acting
Steve Guttenberg
Messenger (uncredited)
Acting
Bill Sorrells
Selby
Acting