Principal (как Robert Walker)
Ray Garrett (1 episode, 1991)
George Owens / ... (2 episodes, 1987-1990)
Michael 'Mike' Grant (как Robert Walker)
Matthew Pendleton (as Robert Walker)
The Wanderer (как Robert Walker)
Mr. Matt Glass (1 episode, 1985)
Harding Devers (3 episodes, 1985-1986)
Burt Marshall (1 episode, 1979)
Bell / ... (2 episodes, 1978)
Bobby Hartford (как Robert Walker)
Gene Watson (1 episode, 1975)
Neil Cahill (1 episode, 1974)
Billy Young (как Robert Walker)
Billy Hyatt (как Robert Walker)
Charlie Evans (1 episode, 1966)
Dr. Collins (unknown episodes, 1986)
Paul Donald Thorpe / ... (2 episodes, 1966-1968)
Ensign Frank Pulver (как Robert Walker)
Pvt. O.A. Dennison (as Robert Walker)
David Dunean / ... (2 episodes, 1962-1964)