Began career as a child model
Film debut, "Convict 99"
With mother and sister, moved to the USA to escape bombing of London during WWII
Settled in Hollywood; put under contract at 20th Century-Fox
Had featured role in John Ford's Oscar-winning "How Green Was My Valley"
Loaned to MGM for "Lassie Come Home"; first screen work with Elizabeth Taylor
Stage acting debut, "Young Woodley" in Westport, CT
Toured in vaudeville in the late 1940s
Associate produced first film, "Kidnapped"; also acted
Appeared as guest actor on such series as "Robert Montgomery Presents Your Lucky Strike Theater", "Faith Baldwin's Theater of Romance" and "Chrysler Medallion Theater"
Off-Broadway debut, "The Homeward Look"
Appeared in the inaugural season of the American Shakespeare Festival in Stratford, CT
Starred in the Broadway production of "Compulsion", based on the Leopold and Loeb case
Had featured role in the Broadway play "The Fighting Cock"; won Tony Award
Made stage musical debut as Mordred in "Camelot", starring Richard Burton and Julie Andrews
Co-starred in the overblown "Cleopatra", starring Elizabeth Taylor and Richard Burton
Formed Silver Lion Inc., a production company
Worked as a portrait photographer for LOOK, LIFE and VOGUE magazines, among others
Published first book of photographs, "Double Exposure"
Appeared on the camp TV adventure series, "Batman" as the criminal 'The Bookworm'
Starred as Cornelius in "Planet of the Apes"
Reprised role in the sequel "Escape From the Planet of the Apes"
Played new role of Caesar in second sequel "Conquest of the Planet of the Apes"
Directed first feature, "The Devil's Widow/Tamlin"
Appeared in fourth sequel "Battle for the Planet of the Apes"
TV series debut as regular, the short-lived CBS version of "Planet of the Apes"
Co-starred as the scientist Dr. Willaway on the sci-fi series "Fantastic Journey" (NBC)
TV miniseries debut in supporting role in "The Rhinemann Exchange" (NBC)
Was French magistrate and bar owner Bon Chance Louis in the ABC adventure series "Tales of the Gold Monkey"
Had one of his best roles as the TV horror host called upon to battle vampires in the superior horror film "Fright Night"
Was executive secretary to Suzanne Pleshette in the CBS drama "Bridges to Cross"
Executive produced feature "Overboard"; also played the role of the butler Andrew
Played himself in "Going Hollywood: The War Years"
Entered into an exclusive production agreement with Foxboro Entertainment to serve as producer and production consultant to the company
Voiced The Mad Hatter on the animated "The Adventures of Batman and Robin"
Provided the voice of Snowball, the hamster nemesis of Brain, on the animated "Steven Spielberg Presents Pinky and the Brain"
Narrated the Showtime series "Sex and the Silver Scene"
Appeared as an interviewee in several episodes of the A&E series "Biography"
Final film role, providing a character voice for the animated "A Bug's Life"