The Boy with Green Hair

Pat O’Brien

as Gramp Fry

Robert Ryan

as Dr. Evans

Barbara Hale

as Miss Brand

Dean Stockwell

as Peter

Richard Lyon

as Michael

Walter Catlett

as The King

Samuel S. Hinds

as Dr. R.T. Knudson

Regis Toomey

as Mr. Davis

Charles Meredith

as Mr. Piper

David Clarke

as Barber

Billy Sheffield

as Red

Johnny Calkins

as Danny

Teddy Infuhr

as Timmy

Dwayne Hickman

as Joey

Eilene Janssen

as Peggy

Curtis Loys Jackson Jr.

as Classmate

Charles Arnt

as Mr. Hammond

Russ Tamblyn

as Classmate (uncredited)

Dale Robertson

as Policeman (uncredited)

Michael Losey

as Boy (uncredited)

Speer Martin

as Boy (uncredited)

Frank Mazzola

as Boy (uncredited)

William Smith

as Boy (uncredited)

Baron White

as Boy (uncredited)

Billy White

as Boy (uncredited)