- George Reeves
- Clark Kent / Superman / Boulder (archive footage)
- Noel Neill
- Lois Lane
- Jack Larson
- Jimmy Olsen
- John Hamilton
- Perry White
- Robert Shayne
- Inspector Henderson
- Leon Askin
- Joseph Ferdinand
- Joseph Forte
- Prof. Adams
- Robert Carson
- Allen
- Philip Van Zandt
- Regan
- John Harmon
- Skinny
- Don Dillaway
- Fred Harris
- Gregg Barton
- Sheriff
- Sam Balter
- Radio Announcer
- Hayden Rorke
- Tom, Clark's Doctor
- I. Stanford Jolley
- Plastic Surgeon
- George Chandler
- Scratchy
- Percy Helton
- Hamlet
- Carleton G. Young
- Fairchild
- William Newell
- Grocery Store Clerk
- Nolan Leary
- Jewelry Store Guard
- Sterling Holloway
- Uncle Oscar Quinn
- Joseph Vitale
- Chief Foreign Agent
- Otto Waldis
- Foreign Agent
- Toni Carroll
- Dorothy Manners
- Allene Roberts
- Nancy
- Marshall Reed
- Security Agent
- Jerry Hausner
- Man
