On screen
Cast
40 credited performers
Artwork unavailable
Arch Whiting
Sergeant Will Corey
Artwork unavailable
Heinrich
Joe, the German Shepherd dog
Paul Frees
Narrator
Artwork unavailable
Chad States
Josh McCoy
Bill Walker
Character not listed
Dub Taylor
Character not listed
Chuck McCann
Character not listed
Paul Carr
Character not listed
Kristy McNichol
Character not listed
Jeff Corey
Character not listed
Frank De Kova
Character not listed
Don Dubbins
Character not listed
Milton Selzer
Character not listed
Paul Picerni
Character not listed
Virginia Gregg
Character not listed
Henry Jones
Feeny
Walter Brooke
Character not listed
Jimmy McNichol
Character not listed
Ralph Meeker
Character not listed
Eric Laneuville
Character not listed
Patricia Morrow
Character not listed
Robert Carradine
Character not listed
Jeanne Cooper
Character not listed
Artwork unavailable
Ricky Powell
Character not listed
Robert J. Wilke
Character not listed
Richard X. Slattery
Character not listed
Joby Baker
Character not listed
Jack Ging
Character not listed
Roy Jenson
Character not listed
Albert Salmi
Character not listed
Julie Adams
Dr. Dixon
Ivor Francis
Character not listed
Robbie Rist
Character not listed
Sid Haig
Tolbert
James Griffith
Character not listed
Ruth McDevitt
Character not listed
E.J. Peaker
Character not listed
Artwork unavailable
Mark Gordon
Jessop
Tom Stern
Trasker
Heshimu Cumbuka
Billy