James Farentino
Kevin Leahy
Claudette Nevins
Ellen Sumner
Eugene Roche
Sgt. Taplinger
Harrison Ford
Paul Winjam
Ann Dusenberry
Weezie Sumner
Diana Scarwid
Lane
Joan Hackett
Louise Gelson
Dinah Manoff
Celia
Carol Jones
Alex
P.J. Soles
Marty
Ethelinn Block
Barry
Susan Walden
Student
Lawrence Bame
James R. Parkes
Catherine Cunneff
Stephanie Barton-Farcas
Biology Student (uncredited)