| 1952 |
Tom Sawyer - Title role (Mountain Playhouse, Montreal, Quebec, Canada) |
| between 1952 and 1954 |
Castle in the Air (Canadian Repertory Theatre, Ottawa, Ontario, Canada) |
| between 1952 and 1954 |
His Excellency (Canadian Repertory Theatre) |
| between 1952 and 1954 |
The Indifferent Shepherd (Canadian Repertory Theatre) |
| between 1952 and 1954 |
Mr. Bolfry (Canadian Repertory Theatre) |
| between 1952 and 1954 |
Nightmare Abbey (Canadian Repertory Theatre) |
| between 1952 and 1954 |
Skylark (Canadian Repertory Theatre) |
| 1954 |
The Taming of the Shrew - Lucentio (Stratford Shakespeare Festival, Stratford, Ontario, Canada) |
| 1954 |
Oedipus Rex - Member of the chorus (Stratford Shakespeare Festival, Stratford, Ontario, Canada) |
| 1954 |
Measure for Measure - Young Lord (Stratford Shakespeare Festival, Stratford, Ontario, Canada) |
| 1955 |
The Merchant of Venice - Gratiano (Stratford Shakespeare Festival, Stratford, Ontario, Canada) |
| 1955 |
Julius Caesar - Lucius (Stratford Shakespeare Festival, Stratford, Ontario, Canada) |
| 1955 |
King Oedipus - Member of the chorus (Stratford Shakespeare Festival, Stratford, Ontario, Canada) |
| 1955 |
Tamburlaine the Great (Stratford Shakespeare Festival, Stratford, Ontario, Canada) |
| 1956 |
Henry V - Duke of Gloucester (Stratford Shakespeare Festival, Stratford, Ontario, Canada) |
| 1956 |
The Merry Wives of Windsor - Fenton (Stratford Shakespeare Festival, Stratford, Ontario, Canada) |
| 1956 |
Tamburlaine the Great - Usumcasane, a Follower of Tamburlaine (Winter Garden Theatre, New YorkCity) | 20 performances |
| 1956 |
Cymbeline (Stratford Shakespeare Festival) |
| 1958 - 1960 |
The World of Suzie Wong - Robert Lomax (Broadhurst Theatre, New York City) | 508 performances |
| 1961 - 1962 |
A Shot in the Dark - Paul Sevigne (Booth Theatre, New York City) | 389 performances |
| 1962 |
L'idiote |
| between 1966 and 1969 |
The Hyphen |
| between 1966 and 1969 |
There's a Girl in My Soup |
| 1970 |
The TEndr Trap |
| 1971 |
Remote Asylum - Tom (Ahmanson Theatre, Los Angeles) |
| 1971 |
Period of Adjustment |
| 1972 |
Challenger |
| 1972 |
Does a Tiger Wear a Necktie |
| 1972 |
The Seven Year Itc |
| 1973 |
Arsenic and Old Lac |
| 1975-76 |
The Tenth Level |
| 1976 |
An Evening with William Shatner |
| 1977 |
Tricks of the Trade |
| 1978 |
Otherwise Engaged (Los Angeles) |
| 1978 |
Riel |
| 1980 |
Death Trap |
| 1981 |
Cat on a Hot Tin Roof (Los Angeles) |
| 1985 |
The Night of 100 Stars II (also known as Night of One Hundred Stars) (Theatre at Radio City Music Hall, New York City) |
| 1991 |
Love Letters |
