Spencer Tracy as Capt. Christopher Jones

Leo Genn as William Bradford

Van Johnson as John Alden

Gene Tierney as Dorothy Bradford

Barry Jones as William Brewster

Lloyd Bridges as Coppin

Dawn Addams as Priscilla Mullins

Noel Drayton as Miles Standish

John Dehner as Gilbert Winslow

Tommy Ivo as William Button

Lowell Gilmore as Edward Winslow

Arthur Tovey as Settler

Patrick Whyte as Ellis

Elizabeth Harrower as Elizabeth Hopkins

Rhys Williams as Mr. Weston

Dennis Hoey as Head Constable

Don Dillaway as Stephen Hopkins

Matt Moore as William Mullins

Paul Cavanagh as John Carver

Kathleen Lockhart as Mary Brewster