John was born on board a ship travelling from London to Singapore, which was diverted to Australia, on October 20th 1919 (most sites erroneously give his birth place as New Zealand, though one would suppose his nationality was registered as Australian - his parents nationality is unknown). He died, having presumably moved to New Zealand following his belated retirement from acting, in Auckland on July 5th 2017, at the age of 97. A number of sources report his full name as being Charles John Karlsen, a name he was credited under on one occasion.
Little is known of John's life before his arrival in Italy. He spent some time working as a stage actor in Britain, where he had his own repertory company. He first came to Italy to direct a play, where he was discovered by a casting director. He was 39 when his Italian film-career began, but looked somewhat older due to his already-white and receding hair (dyed black on occasion) and gaunt facial features. His looks barely changed for the rest of his career. His appearance tended to get him regularly cast in the roles of butlers, teachers, scientists, doctors, nazis and priests, usually of the more sinister variety. He also directed plays in Rome and worked regularly as a dubbing artist for English-language versions of Italian films.
While his is a quite well-known face, it could be quite possible that there are still a few unknown roles to be discovered.
Some of his biographical details are confirmed by this 2004 interview on wantedinrome.com.
- Le bellissime gambe di Sabrina .... Security guard at jewellery store (uncredited)
- The Naked Maja .... Inquisitor (credited)
- Totò nella luna .... Dr. John Forrester (uncredited)
1959 - The Four Just Men (TV series) - ep. 1: "The Battle of the Bridge" .... Second sentry (credited)
1961 - Barabba .... Man in the crowd calling for Barabbas' release (uncredited)
- Francis of Assisi .... Brother Morico (uncredited)
- Il planeta degli uomini spenti .... United Commission representative (uncredited)
- Lycanthropus .... Creepy-looking man at the autopsy and funeral (uncredited)
- Una vita difficile .... University professor (uncredited)
1962 - Le sette spade del vendicatore .... Actor (uncredited)
- Maciste all'inferno .... Burgomeister (credited)
- Ponzio Pilato .... Senator (uncredited)
- Sodoma e Gomorra .... Hebrew (uncredited)
- Totò e Peppino divisi a Berlino .... Greta's companion (uncredited)
1963 - 8½ .... Car driver / Priest (uncredited)
- Cleopatra .... Egyptian high priest (uncredited)
- Il boom .... Doctor (credited)
- Le ore dell'amore .... Gay party guest (uncredited)
- Totò contro i quattro .... The owner of the villa (uncredited)
1964 - Cleopazza (credited?) .... role?
- La cripta e l'incubo .... Franz Kamstein (uncredited)
1965 - Crack in the World .... Dr. Reynolds (credited)
- Due mafiosi contro Goldginger .... Commodore Stevenson (credited)
- Le bambole .... Alfonso (credited)
1966 - Agente 3S3, massacro al sole .... Mikhailovic's Boss (credited as John Karsten)
- El Greco .... Prosecutor (credited)
- Il gioco delle spie .... Mr. Corvin (credited)
- Il Natale che quasi non fu .... Blossom (credited)
- Io, io, io.... e gli altri .... Producer (credited as Charles John Karlsen)
- Modesty Blaise .... Oleg (credited)
- Requiem per un agente segreto .... Franco (credited)
- The She Beast .... Count Von Helsing (credited)
1967 - ...4 ..3 ..2 ..1 ...morte .... Crest (credited as John Karlesen)
- Faccia a faccia .... School director (uncredited)
- I barbieri di Sicilia .... Nazi chemist (uncredited)
- Troppo per vivere... poco per morire .... Photographer in nightclub (uncredited)
1968 - Fenomenal e il tesoro di Tutankamen .... Professor Micklewitz (credited)
- Galileo .... Priest who understands the importance of science (credited)
- L'oro di Londra .... Ed (credited)
- Più tardi Claire, più tardi... .... Priest (uncredited)
- Tre passi nel delirio .... Schoolmaster (uncredited)
1969 - Fellini Satyricon .... Man riding in carriage (uncredited)
- Femina ridens .... Manservant (uncredited)
- Femmine insaziabili .... Fletcher (uncredited)
- Vedo nudo .... Psychiatrist (uncredited)
1970 - Mademoiselle De Sade e i suoi vizi .... Marquis Foro (credited)
1971 - La bestia uccide a sangue freddo .... Professor Osterman (credited)
- Stanza 17-17 palazzo delle tasse, ufficio imposte .... Safe salesman (uncredited)
- Storie dell'anno mille (TV mini-series) - ep. 1 .... Priest (credited)
1972 - Che?.... Edward (uncredited)
- Fratello sole, sorella luna .... Cardinal (uncredited)
1973 - Polvere di stelle .... Nazi commander (uncredited)
- Società a responsabilità molto limitata .... Hospital patient (uncredited)
1974 - Il bacio .... Friedrich (uncredited)
1975 - Conviene far bene l'amore .... British agent (uncredited)
- Il messia .... Calaphas (credited)
- Le orme .... Alfredo Laurenti (credited as John Carlsen)
- Prete, fai un miracolo .... Bishop Ritter (credited/b] - role unconfirmed)
- The Count of Monte-Cristo .... Barrois (uncredited)
1976 - Il Casanova di Federico Fellini .... Lord Talou (credited)
- San Pasquale Baylonne protettore delle donne .... Wedding guest (uncredited)
1979 - I contrabbandieri di Santa Lucia .... Man at the police meeting (credited)
- Mani di velluto .... President of the insurance company (uncredited)
- The Black Stallion .... Archaeologist (credited as John Karlson)
1980 - L'avvertimento .... Ferdinando Violante (credited)
- Sam & Sally (TV series) - season 2, ep. 3: "I collezionisti" .... Von Trapp (credited)
1981 - Camera d'albergo .... Shaving priest (uncredited)
- The Borgias (TV mini-series) - ep. 7 .... Bishop Francesco Soderini (credited)
1982 - Pronto... Lucia .... Doctor (credited)
1983 - La chambre des dames (TV mini-series) - ep. 2 .... Sires Vives Yehel (credited)
- Marco Polo (TV mini-series) - ep. 8 .... Judge (credited as John Karsen)
- The Winds of War (TV mini-series) - ep. 2: "The Storm Breaks" .... Reverend Glenville (credited)
1984 - Dagobert .... Doctor (credited)
- Waterfront (TV mini-series) - eps. 1 & 2 .... Professor Arnaldo Chieri (uncredited)
1986 - Asilo di polizia .... Museum guide (credited)
1987 - I Love N.Y. .... Butler (credited)
- La monaca di Monza .... Don Carlo (credited)
1988 - Il piccolo diavolo .... Priest from Anzio (credited)
- La partita .... Sir Candioni (credited)
- Stradivari .... Grand chamberlain (credited)
1989 - Bill & Ted's Excellent Adventure .... Evil Duke (credited)
- Blaues Blut (TV series) - ep. 5: "Dunkle Pfade" .... Sir Thomas Milton (credited)
- La chiesa .... Heinrich (credited)
- Valentina (TV series) - ep. 11: "Caduta angeli" .... Rolandi (credited)
1990 - Roger Corman's Frankenstein Unbound .... Parson (credited)
- Stasera a casa di Alice .... Saverio's father-in-law (credited as John Charles Karlsen)
1991 - Il conte Max .... Butler (credited)
1993 - E.T.A. Hoffmanns Der Sandmann .... Spalanzini (credited)
- Killer Rules (TV movie) .... Lord Elston (credited)
1999 - Svitati .... Dr. Caputo (credited)
2003 - The Order .... Eden's manservant (credited)
2007 - Il nascondiglio .... (credit only)
- Gli invincibili tre (1964) - voice of King Igos (Carlo Tamberlani)
- La rivincita di Ivanhoe (1965) - voice of the Prior of Essex (Nando Tamberlani)
- Le spie uccidono in silenzio (1966) - voice of Professor Bergson (Jesús Tordesillas)
- A doppia faccia (1969) - voice of Inspector Stevens (Günther Stoll)
- Fellini - Block notes di un regista (1969) - voice of The Professor (Professor Genius)
- La battaglia di El Alamein (1969) - voice of General Auchinleck (James Mishler)
- Concerto per pistola solista (1970) - voice of Peter the butler (Ballard Berkeley)
- Gli occhi freddi della paura (1971) - voice of Hawkins (Leon Lenoir)
- 7 scialli di seta gialla (1972) - voice of Burton (Umberto Raho)
- Cosa avete fatto a Solange? (1972) - voice of Mr. Erickson (Giancarlo Badessi)
- L'età di Cosimo de Medici (1972) (TV mini-series) - voice of Pope Nicholas V (John Bartha)
- Zambo, il dominatore della foresta (1972) - voice of Professor Woodward (Attilio Dottesio)
- Amarcord (1973) - voice of The lawyer (Luigi Rossi)
- La morte negli occhi del gatto (1973) - voice of Priest (Franco Ressel)
- Roma drogata: la polizia non può intervenire (1975) - voice of Giovanni (Umberto Raho)
- California (1977) - voice of Full (Franco Ressel)
- Il cinico, l'infame, il violento (1977) - voice of Di Maggio's accountant (Dante Cleri)
- Il mondo porno di due sorelle (1979) - voice of Andy (Daniele Dublino)
- John Travolto... da un insolito destino (1979) - voice of Hotel manager (Giulio Farnese)
- L'infermiera nella corsia dei militari (1979) - voice of Ottavio (Gino Pagnani)
- Un'ombra nell'ombra (1979) - voice of Paul (Frank Finlay)
- Bakterion (1982) - voice of Vince (Miguel Herrera)
- Tempi di guerra (1987) - voice of Nazi officer (Demeter Bitenc)
There are still a few movies where John is credited by various online sources that I have been unable to find, so if anybody has images of him in the films below you know what to do.
- Un affare tranquillo (a.k.a. Un commerce tranquille) (1964) as Priest [IMDb]
- Cool Million (TV series, 1972) - episode "Mask of Marcella" as Werner [IMDb]
- Francesco di Assisi (1972) [ANICA]
- Caro dolce amore (a.k.a. Honey Sweet love) (1994) as Sir John Atherton [ANICA]
Movies where John is credited as appearing somewhere online, but does not appear. There always has to be one!.
- Io piaccio (1955) ANICA as Doctor. It is similar-looking Renato Navarrini in the role
- La ciociara (1960) Mentioned in the interview. Johan says he has searched for Karlsen without success
- It Happened in Athens (1962) IMDb as King of Greece. It is not John in the role.
- Amarcord (1973) IMDb, mentioned in the trivia section on IMDb (but not the filmography). John does not appear, though he did do some dubbing for the English version