as John
as Julian
as Davy
as Hans
as Robert Denk
as Marcus Hiller
as Aleck Olson
as Jerry
as George Bennett
as Ronald Andersson
as Dr. Jimmy Goldrich
as Mr. Spelman
as Evan Stark
as Martin Elson
as Joe
as David Mason
as Tony Kirby
as Conway
as Mac Lawton
as Harold Rhodes
as Jesse Wilder
as David Alcott
as Dr. Daniel Waterston
as Pe'Nar Makull
as Ben Judson
as James Ryerson
as Leo Vardian
as Hunt Acrey
as Mr. Callender
as Arthur Gramble
as Tick Gleason
as Major General Leonard Onichimoski
as Dr. William Crichton
as Roy Hondo
as Dr. Henry Richards
as D.D.A. Dan Morrison
as Warren Smyth
as Mark Fox
as Marshall Campbell
as Ben Proctor
as Stanley Robman
as Dylan Elliott
as Serge Markov