Fred Gwynne as Herman Munster

Yvonne De Carlo as Lily Munster

Al Lewis as Grandpa Munster

Butch Patrick as Eddie Munster

Debbie Watson as Marilyn Munster

Terry-Thomas as Freddie Munster

Hermione Gingold as Lady Effigy Munster

Robert Pine as Roger Moresby

John Carradine as Cruikshank

Bernard Fox as Lester Moresby

Richard Dawson as Joey

Jeanne Arnold as Grace

Maria Lennard as Millie Cruikshank

Cliff Norton as Herbert

Diana Chesney as Mrs. Moresby

Arthur Malet as Alfie

Ben Wright as Hennessy

Helen Kleeb as Emily (uncredited)

Danny Dee as British Customs Official

Walter Bacon as Pub Patron (uncredited)

Robert Ball as First Ship Steward (uncredited)

Jack Dodson as Second Ship Steward (uncredited)

Dick Crockett as Third Ship Steward (uncredited)

Jimmy Garrett as British Hooligan (uncredited)

James Gonzalez as Race Spectator (uncredited)

Colin Kenny as Man in Pub (uncredited)

William Meader as Race Spectator (uncredited)

William H. O'Brien as Man at Customs (uncredited)

Monty O'Grady as Race Spectator (uncredited)

Norman Palmer as Ship Passenger (uncredited)

John Roy as Race Spectator (uncredited)