Dr. Matt Hastings
Stephanie 'Steve' Clayton
Prof. Gerald Deemer
Sheriff Jack Andrews
Joe Burch
Lt. John Nolan
Townsend
Josh
Barney Russell
Andy Andersen
Townsman (uncredited)
Telephone Operator (uncredited)
Second Tramp (uncredited)
Arizona State Trooper (uncredited)
Jim Bagny (uncredited)
Jet Squadron Leader (uncredited)
Ranch Hand (uncredited)
Jean - Professor Townsend's Assistant (uncredited)
Trooper Grayson (uncredited)
Jeb - First Tramp (uncredited)
State Trooper (uncredited)
Paul Lund / Eric Jacobs (uncredited)
Ridley (uncredited)
Charlie - Castle Rock Townsman (uncredited)
Deputized Townsman (uncredited)
Warehouseman (uncredited)
Pickup Passenger (uncredited)
Murphy (uncredited)
Pickup Driver (uncredited)
Bus Driver (uncredited)