Donald Briggs
Frank Merriwell (as Don Briggs)
John 'Dusty' King
Bruce Browning (as John King)
Carla Laemmle
Carla Rogers
House Peters Jr.
House Peters
Herschel Mayall Jr.
'Hersh' Mayall
Wallace Reid Jr.
Wally Reid
Edward Arnold Jr.
Eddie Arnold
Bryant Washburn Jr.
Bryant Washburn
Allan Hersholt
Allen Hersholt
Carlyle Blackwell Jr.
Carlyle Blackwell
Peter Gowland
Peter Gowland
William P. Carleton
Charles Merriwell
Ella Ethridge
Mrs. Mary Merriwell
Jack Donovan
Coach Harding
King Baggot
Chemistry Professor
Chief John Big Tree
Indian John
Lynton Brent
Helpful Driver
Jim Corey
Bill / Stalking Indian
Richard Cramer
Road Crew Foreman
Joseph De Grasse
Dr. Cummings
William Desmond
Captain of the 'Viking'
Billy Franey
Barbecue Cook
M.J. Frankovich
Baseball Game Announcer
Chester Gan
Lumber Camp Cook
June Gittelson
Dance Party Guest
Millard 'Dixie' Howell
Football Player
Eddie Kane
Man in Audience (archive footage)
Isabel La Mal
Mrs. Belwood
Charles Lane
Man in Front Row (archive footage)
Nick Lukats
Second Mate of the 'Viking'
Carlos Montalbán
Rurale Captain
Charles Murphy
Yacht Crewman
Dave O'Brien
George Baldwin
Rain-in-the-Face
Chief Tonaka
