On screen
Cast
12 credited performers
June Lockhart
Ruth Martin
Jon Provost
Timmy Martin
Bob Howard
Sergeant Sprague
Richard Kiel
Chinook Pete
Artwork unavailable
Walter Stocker
John Stanley
Artwork unavailable
Hugh Reilly
Paul Martin
Will J. White
Constable MacDonald
Patrick Waltz
Pilot
Artwork unavailable
Leo Needham
Ranger Henty
Dick Simmons
Character not listed
Artwork unavailable
Patrick Westwood
Character not listed
Lassie
Lassie the Dog